MATH 255N WEEK 1 ASSIGNMENT, VARIABLES AND
MEASURES OF DATA
1. Which of the following best describes the term explanatory variable?
Select the correct answer below:
the dependent variable in an experiment
a value or component of the independent variable applied in an experiment
a variable that has an effect on a study even though it is neither an independent nor a
dependent variable the independent variable in an experiment
2. Which of the following best describes the term qualitative?
Select the correct answer below:
a numerical characteristic of the sample
the type of data that is the result of
measuring the type of data that is the
result of counting an attribute whose
value is indicated by a label
3. A zoologist measures the birthweight of each cub in a litter of lions. What is the
level of
measurement of the data?
Select the correct answer
below: nominal
ordina
l
interv
al
ratio
, 4. Margaret is investigating if gender has any effect on political party
associations. What is the response variable?
political party associations
gender
the number of people that are being
studied none of the above
5. Timothy is collecting data on number of dental cavities. What type of data is
this?
Select the correct answer
below: qualitative data
discrete quantitative
data continuous
quantitative data none
of the above
6. To determine whether or not number of siblings influences grade point
average, Charles has designed a survey. What is the explanatory variable?
Select the correct answer
below: number of siblings
grade point average
the number of people
surveyed none of the
above
7. What is the type of quantitative data that is the result of measuring?
Select the correct answer
below: qualitative
statistic
discrete
continuo
us
MEASURES OF DATA
1. Which of the following best describes the term explanatory variable?
Select the correct answer below:
the dependent variable in an experiment
a value or component of the independent variable applied in an experiment
a variable that has an effect on a study even though it is neither an independent nor a
dependent variable the independent variable in an experiment
2. Which of the following best describes the term qualitative?
Select the correct answer below:
a numerical characteristic of the sample
the type of data that is the result of
measuring the type of data that is the
result of counting an attribute whose
value is indicated by a label
3. A zoologist measures the birthweight of each cub in a litter of lions. What is the
level of
measurement of the data?
Select the correct answer
below: nominal
ordina
l
interv
al
ratio
, 4. Margaret is investigating if gender has any effect on political party
associations. What is the response variable?
political party associations
gender
the number of people that are being
studied none of the above
5. Timothy is collecting data on number of dental cavities. What type of data is
this?
Select the correct answer
below: qualitative data
discrete quantitative
data continuous
quantitative data none
of the above
6. To determine whether or not number of siblings influences grade point
average, Charles has designed a survey. What is the explanatory variable?
Select the correct answer
below: number of siblings
grade point average
the number of people
surveyed none of the
above
7. What is the type of quantitative data that is the result of measuring?
Select the correct answer
below: qualitative
statistic
discrete
continuo
us
