MATH 225N Week 1 TO 8 Assignment Comparing Sampling
Methods Question & Answers
1. A television station plans to send a crew to a polling center on an election day. Because they do
not have time to interview … each individual voter, they decide to count voters leaving the
polling location & ask every 20th voter for an interview. What type of sampling is this?
2. In order to study the shoe sizes of people in his town, Billy samples the population by dividing the
residents by age & randomly … selecting a proportionate number of residents from each age
group. Which type of sampling is … ?
3. The management of a large airline wants to estimate the average time after takeoff taken before
the crew begins serving snacks & beverages on their flights. Assuming that management has
easy access to all of the information that … would be required to select flights by each proposed
method, which of the following would be reasonable methods of stratified sampling? Select all
that apply.
4. To study the mean respiratory rate of all people in his state, Frank samples the population by
dividing the residents by towns & … randomly selecting 12of the towns. He then collects data
from all the residents in the selected towns. Which type of sampling is … ?
5. When is stratified sampling appropriate?
6. In reference to different sampling methods, cluster sampling includes the steps: use simple
random sampling to select a set of groups; every individual in the chosen groups is included in
the sample.
7. When is cluster sampling appropriate?
8. To study the mean head size of all people in her state, Jacqueline collects data from 20people in
her town. Which type of sampling is … ?
9. An executive for a large national restaurant chain with multiple locations in each of 513counties
wants to personally sample the … cleanliness of the chain’s restaurants throughout the country
by visiting restaurants. The executive wants a good-quality sample but wants to minimize travel
time & expenses. Which of the following sampling methods would be most appropriate?
10In order to study the wrist sizes of people in her town, Kathryn samples the population by dividing
the residents by age & randomly selecting a proportionate number of residents from each age
group. Which type of sampling is … ?
11A manufacturer has three tool centers that each make about 1000tools every day. In order to
implement better quality-control procedures, the manager wants to start sampling the tools made
each day to be able to identify … issues as quickly as possible. Which sampling method would
be most appropriate?
12To study the mean blood pressure of all people in her state, Christine samples the population by
dividing the residents by towns & randomly selecting 9of the towns. She then collects data from
all the residents in the selected towns. Which type of sampling is … ?
13. When is using a simple random sample appropriate?
14. Donald is studying the eating habits of all students attending his school. He samples the
population by dividing the students into groups by grade level & randomly selecting a
proportionate number of students from … each group. He then collects data from the sample.
Which type of sampling is … ?
15. A grocer receives cartons of 12eggs in boxes of 100 In a particular month, the grocer
receives 4 shipments of eggs with 20 boxes in each shipment. The grocer wants to estimate the
, proportion of cartons he receives this month … that include at least one broken egg. Which of
the following sampling methods … would be most appropriate?
16. When considering different sampling methods, stratified sampling includes the steps:
====================================================================================
MATH 255N Week 1 Assignment, Variables & Measures of Data - Question & Answers
1. Which of the following best describes the term explanatory variable?
2. Which of the following best describes the term qualitative?
3. A zoologist measures the birthweight of each cub in a litter of lions. What is the level of
… measurement of the data?
4. Margaret is investigating if gender has any effect on political party associations. What
is the response variable?
5. Timothy is collecting data on number of dental cavities. What type of data is this?
6. To determine whether or not number of siblings influences grade point average,
Charles has designed a … survey. What is the explanatory variable?
7. What is the type of quantitative data that is the result of measuring?
8. A new mother keeps track of the time when her baby wakes up each morning. What is the
level of measurement of the data?
9. A response variable is the dependent variable in an experiment.
10. Discrete data is the type of quantitative data that is the result of counting.
11. A political researcher asks people if they Strongly Disagree, Disagree, Agree, or Strongly
Agree with various policy decisions. What is the … level of measurement of the data?
12. Which of the following best describes the term response variable?
13. A climate scientist keeps track of the daily temperature, in degrees Fahrenheit, of a lake
over the course of six weeks. What is the level of measurement of the data?
14. Given that Ruth is collecting data on political party preference, what type of data is she
working with?
15. Janice is investigating if grade level has any effect on time spent studying. What is
the explanatory variable?
16. A restaurant surveys its patrons to find their favorite item on the menu. What is the level
of measurement of the data?
17. Which of the following is the independent variable in an experiment?
, 18. Angela is collecting data on the number of … classes that students take. What type
of data is this?
19. A pollster surveys voters & asks which candidate they support in the upcoming election.
What is the level of measurement of the data?
20. Given that Janet is collecting data on favorite sports teams, what type of data is she
working with?
21. To determine whether or not grade level influences time spent studying, Samuel
has designed a survey. What is the … response variable?
22. A chef keeps track of the … temperature of his refrigerator in degrees Celsius. What is
the level of measurement of the data?
23. What term best describes data that is an attribute whose value is indicated by a label?
24. Karen is investigating if age has any effect on political party preferences. What is
the explanatory variable?
25. A market researcher surveys households to ask what brand of shampoo is preferred. What
is the level of measurement of the data?
26. Thomas is investigating if gender has any effect on political party associations. Which
of the following gives the explanatory & … response variables respectively?
27. Given that Angelina is collecting data on commute distance, what type of data is
she working with?
28. A restaurant asks its patrons to rate the speed of the service. The options are Very Slow,
Somewhat Slow, Somewhat Fast, Very Fast. What is the level of … measurement of
the data?
29. Edward has created an experiment to test whether or not height has any effect on red
blood cell count. Which of the following gives the … explanatory & response
variables, respectively, in this situation?
30. What type of data is collected if Maria is studying eye color?
====================================================================
MATH2 5NWe
k1AssignmentSamplingMeth
ods– Questions&Answers
, 1. Assume that 80houses are present in the form of a grid consisting of 10 columns & 8 If a
loud speaker is placed just before the first row, which sampling method works the best to
select a sample of houses if we … want to get an estimate of the average loudness (measured
in decibels) near all the 80 houses?
2. Angela is studying the mean blood pressure of all students attending her college. She collects
data from the … 38students in her statistics class. Which type of sampling is used?
3. A town planner is interested in getting some demographic data about the households in the
city. The city has four wards with the … following numbers of households: ward A
has 2,107, ward B has 903, ward C has 1,505, & ward D has 1,499. The budget for the
project allows the planner to survey 100 She plans to use a stratified sampling method. What
number of households should be chosen from ward B? Enter a whole number.
4. Donald is studying the eating habits of all students attending his school. He samples the
population by dividing the students into … groups by grade level & randomly selecting a
proportionate number of students from each group. He then collects data from the sample.
Which type of sampling is used?
5. An executive for a large national restaurant chain with multiple locations in each
of 513counties wants to personally sample the … cleanliness of the chain’s restaurants
throughout the country by visiting restaurants. The executive wants a good-quality sample
but wants to minimize travel time & expenses. Which of the following sampling methods
would be most appropriate?
6. … considering different sampling methods, stratified sampling includes the steps: .
7. When is using a simple random sample appropriate?
8. Ruby is studying the mean waist size of all students attending her college. She collects data
from the 25students in her statistics class. Which type of sampling is used?
9. A school district’s superintendent wants to administer a test of life skills to a sample of
students. The superintendent has ample time & resources to conduct the study, as well as
access to detailed information about all … students’ addresses, courses, grades, &
attendance. Which of the following would be the worst sampling method for the
superintendent to use?
10. In reference to different sampling methods, cluster sampling includes the steps: use simple
random sampling to select a set of groups; every individual in the … chosen groups is
included in the sample.
11. A television station plans to send a crew to a polling center on an election day. Because they
do not have time to … interview each individual voter, they decide to count voters leaving
the polling location & ask every 20th voter for an interview. What type of sampling is this?
12. William is studying the hair colors of all students attending his college. He collects data
from the 25students in his … statistics class. Which type of sampling is … ?
13. A manufacturer has three tool centers that each make about 1000tools every day. In order to
implement better quality-control procedures, the manager wants to start sampling the tools
made each day to be … able to identify issues as quickly as possible. Which sampling
method would be most appropriate?
14. To study the eating habits of all athletes in his school, Christopher obtains a list of the
athletes & collects data from every 10th person … on the list. Which type of sampling is …
?
Methods Question & Answers
1. A television station plans to send a crew to a polling center on an election day. Because they do
not have time to interview … each individual voter, they decide to count voters leaving the
polling location & ask every 20th voter for an interview. What type of sampling is this?
2. In order to study the shoe sizes of people in his town, Billy samples the population by dividing the
residents by age & randomly … selecting a proportionate number of residents from each age
group. Which type of sampling is … ?
3. The management of a large airline wants to estimate the average time after takeoff taken before
the crew begins serving snacks & beverages on their flights. Assuming that management has
easy access to all of the information that … would be required to select flights by each proposed
method, which of the following would be reasonable methods of stratified sampling? Select all
that apply.
4. To study the mean respiratory rate of all people in his state, Frank samples the population by
dividing the residents by towns & … randomly selecting 12of the towns. He then collects data
from all the residents in the selected towns. Which type of sampling is … ?
5. When is stratified sampling appropriate?
6. In reference to different sampling methods, cluster sampling includes the steps: use simple
random sampling to select a set of groups; every individual in the chosen groups is included in
the sample.
7. When is cluster sampling appropriate?
8. To study the mean head size of all people in her state, Jacqueline collects data from 20people in
her town. Which type of sampling is … ?
9. An executive for a large national restaurant chain with multiple locations in each of 513counties
wants to personally sample the … cleanliness of the chain’s restaurants throughout the country
by visiting restaurants. The executive wants a good-quality sample but wants to minimize travel
time & expenses. Which of the following sampling methods would be most appropriate?
10In order to study the wrist sizes of people in her town, Kathryn samples the population by dividing
the residents by age & randomly selecting a proportionate number of residents from each age
group. Which type of sampling is … ?
11A manufacturer has three tool centers that each make about 1000tools every day. In order to
implement better quality-control procedures, the manager wants to start sampling the tools made
each day to be able to identify … issues as quickly as possible. Which sampling method would
be most appropriate?
12To study the mean blood pressure of all people in her state, Christine samples the population by
dividing the residents by towns & randomly selecting 9of the towns. She then collects data from
all the residents in the selected towns. Which type of sampling is … ?
13. When is using a simple random sample appropriate?
14. Donald is studying the eating habits of all students attending his school. He samples the
population by dividing the students into groups by grade level & randomly selecting a
proportionate number of students from … each group. He then collects data from the sample.
Which type of sampling is … ?
15. A grocer receives cartons of 12eggs in boxes of 100 In a particular month, the grocer
receives 4 shipments of eggs with 20 boxes in each shipment. The grocer wants to estimate the
, proportion of cartons he receives this month … that include at least one broken egg. Which of
the following sampling methods … would be most appropriate?
16. When considering different sampling methods, stratified sampling includes the steps:
====================================================================================
MATH 255N Week 1 Assignment, Variables & Measures of Data - Question & Answers
1. Which of the following best describes the term explanatory variable?
2. Which of the following best describes the term qualitative?
3. A zoologist measures the birthweight of each cub in a litter of lions. What is the level of
… measurement of the data?
4. Margaret is investigating if gender has any effect on political party associations. What
is the response variable?
5. Timothy is collecting data on number of dental cavities. What type of data is this?
6. To determine whether or not number of siblings influences grade point average,
Charles has designed a … survey. What is the explanatory variable?
7. What is the type of quantitative data that is the result of measuring?
8. A new mother keeps track of the time when her baby wakes up each morning. What is the
level of measurement of the data?
9. A response variable is the dependent variable in an experiment.
10. Discrete data is the type of quantitative data that is the result of counting.
11. A political researcher asks people if they Strongly Disagree, Disagree, Agree, or Strongly
Agree with various policy decisions. What is the … level of measurement of the data?
12. Which of the following best describes the term response variable?
13. A climate scientist keeps track of the daily temperature, in degrees Fahrenheit, of a lake
over the course of six weeks. What is the level of measurement of the data?
14. Given that Ruth is collecting data on political party preference, what type of data is she
working with?
15. Janice is investigating if grade level has any effect on time spent studying. What is
the explanatory variable?
16. A restaurant surveys its patrons to find their favorite item on the menu. What is the level
of measurement of the data?
17. Which of the following is the independent variable in an experiment?
, 18. Angela is collecting data on the number of … classes that students take. What type
of data is this?
19. A pollster surveys voters & asks which candidate they support in the upcoming election.
What is the level of measurement of the data?
20. Given that Janet is collecting data on favorite sports teams, what type of data is she
working with?
21. To determine whether or not grade level influences time spent studying, Samuel
has designed a survey. What is the … response variable?
22. A chef keeps track of the … temperature of his refrigerator in degrees Celsius. What is
the level of measurement of the data?
23. What term best describes data that is an attribute whose value is indicated by a label?
24. Karen is investigating if age has any effect on political party preferences. What is
the explanatory variable?
25. A market researcher surveys households to ask what brand of shampoo is preferred. What
is the level of measurement of the data?
26. Thomas is investigating if gender has any effect on political party associations. Which
of the following gives the explanatory & … response variables respectively?
27. Given that Angelina is collecting data on commute distance, what type of data is
she working with?
28. A restaurant asks its patrons to rate the speed of the service. The options are Very Slow,
Somewhat Slow, Somewhat Fast, Very Fast. What is the level of … measurement of
the data?
29. Edward has created an experiment to test whether or not height has any effect on red
blood cell count. Which of the following gives the … explanatory & response
variables, respectively, in this situation?
30. What type of data is collected if Maria is studying eye color?
====================================================================
MATH2 5NWe
k1AssignmentSamplingMeth
ods– Questions&Answers
, 1. Assume that 80houses are present in the form of a grid consisting of 10 columns & 8 If a
loud speaker is placed just before the first row, which sampling method works the best to
select a sample of houses if we … want to get an estimate of the average loudness (measured
in decibels) near all the 80 houses?
2. Angela is studying the mean blood pressure of all students attending her college. She collects
data from the … 38students in her statistics class. Which type of sampling is used?
3. A town planner is interested in getting some demographic data about the households in the
city. The city has four wards with the … following numbers of households: ward A
has 2,107, ward B has 903, ward C has 1,505, & ward D has 1,499. The budget for the
project allows the planner to survey 100 She plans to use a stratified sampling method. What
number of households should be chosen from ward B? Enter a whole number.
4. Donald is studying the eating habits of all students attending his school. He samples the
population by dividing the students into … groups by grade level & randomly selecting a
proportionate number of students from each group. He then collects data from the sample.
Which type of sampling is used?
5. An executive for a large national restaurant chain with multiple locations in each
of 513counties wants to personally sample the … cleanliness of the chain’s restaurants
throughout the country by visiting restaurants. The executive wants a good-quality sample
but wants to minimize travel time & expenses. Which of the following sampling methods
would be most appropriate?
6. … considering different sampling methods, stratified sampling includes the steps: .
7. When is using a simple random sample appropriate?
8. Ruby is studying the mean waist size of all students attending her college. She collects data
from the 25students in her statistics class. Which type of sampling is used?
9. A school district’s superintendent wants to administer a test of life skills to a sample of
students. The superintendent has ample time & resources to conduct the study, as well as
access to detailed information about all … students’ addresses, courses, grades, &
attendance. Which of the following would be the worst sampling method for the
superintendent to use?
10. In reference to different sampling methods, cluster sampling includes the steps: use simple
random sampling to select a set of groups; every individual in the … chosen groups is
included in the sample.
11. A television station plans to send a crew to a polling center on an election day. Because they
do not have time to … interview each individual voter, they decide to count voters leaving
the polling location & ask every 20th voter for an interview. What type of sampling is this?
12. William is studying the hair colors of all students attending his college. He collects data
from the 25students in his … statistics class. Which type of sampling is … ?
13. A manufacturer has three tool centers that each make about 1000tools every day. In order to
implement better quality-control procedures, the manager wants to start sampling the tools
made each day to be … able to identify issues as quickly as possible. Which sampling
method would be most appropriate?
14. To study the eating habits of all athletes in his school, Christopher obtains a list of the
athletes & collects data from every 10th person … on the list. Which type of sampling is …
?
