Straighterline Business Stats
LATEST UPDATED 2025/2026 exam
with COMPLETE QUESTIONS AND
SURE VERIFIED SOLUTIONS 100%
GRADED AT A+ SCORE!! SURE
GUARANTEED PASS!!
1. The main purpose of descriptive statistics is to - ANSWER ✔
Summarize data in a useful and informative manner
2. A sample of the paramedical fees charged by clinics revealed these
amounts: $55, $49, $50, $45, $52, and $55. What is the median
charge? - ANSWER ✔ 51.00
3. For a data set with an odd number of observations that have been
sorted from smallest to largest values, where is the median
located? - ANSWER ✔ (n + 1)/2
4. Assume a student received the following grades for the semester:
History, B; Statistics, A; Spanish, C; and English, C. History and
English are 5 credit-hour courses, Statistics a 4 credit-hour course,
and Spanish a 3 credit-hour course. If 4 grade points are assigned
, for an A, 3 for a B, and 2 for a C, what is the weighted mean grade
for the semester? - ANSWER ✔ 2.76
5. A disadvantage of using an arithmetic mean to summarize a set of
data is that __________. - ANSWER ✔ It can be biased by one or
two extremely small or large values
6. A survey item asked students to indicate their class in college:
freshman, sophomore, junior, or senior. Which measure(s) of
central location would be appropriate for the data generated by that
questionnaire item? - ANSWER ✔ Mode and median
7. The times (in minutes) that several underwriters took to review
applications for similar insurance coverage are 50, 230, 52, and 57.
What is the median length of time required to review an
application? - ANSWER ✔ 54.5
8. Which word is NOT part of the definition of descriptive statistics?
- ANSWER ✔ Predicting
9. A marketing class of 50 students evaluated the instructor using the
following scale: superior, good, average, poor, and inferior. The
descriptive summary showed the following survey results: 2%
superior, 8% good, 45% average, 45% poor, and 0% inferior. -
ANSWER ✔ c. Most students rated the instructor as poor or
average.
,10. What type of variable is the number of robberies reported in
your city? - ANSWER ✔ Quantitative
11. The Nielsen Ratings break down the number of people
watching a particular television show by age. What level of
measurement is age? - ANSWER ✔ Ratio
12. What level of measurement is a person's "favorite sport"? -
ANSWER ✔ Nominal
13. The final rankings of the top 20 NCAA college basketball
teams are an example of which level of measurement? - ANSWER
✔ Ordinal
14. What level of measurement is the Centigrade temperature
scale? - ANSWER ✔ Interval
15. A survey includes a question regarding marital status that has
the following responses: single, married, divorced, separated, or
widowed. What is the scale of measurement for this question? -
ANSWER ✔ Nominal
16. A group of women tried five brands of fingernail polish and
ranked them according to preference. What level of measurement
is this? - ANSWER ✔ Ordinal
, 17. Shoe style is an example of what level of measurement? -
ANSWER ✔ Nominal
18. When TV advertisements report "2 out of 3 dentists surveyed
indicated they would recommend Brand X toothpaste to their
patients," an informed consumer may question the conclusion
because the: - ANSWER ✔ Advertisement does not include the
total number of dentists surveyed
19. For the most recent seven years, the U.S. Department of
Education reported the following number of bachelor's degrees
awarded in computer science: 4,033; 5,652; 6,407; 7,201; 8,719;
11,154; 15,121. What is the annual arithmetic mean number of
degrees awarded? - ANSWER ✔ About 8,327
20. Which of the following measures of dispersion are based on
deviations from the mean? - ANSWER ✔ All apply
21. From the easiest to the hardest "ease of interpretation," rank
the measures of dispersion. - ANSWER ✔ Range, mean deviation,
variance
LATEST UPDATED 2025/2026 exam
with COMPLETE QUESTIONS AND
SURE VERIFIED SOLUTIONS 100%
GRADED AT A+ SCORE!! SURE
GUARANTEED PASS!!
1. The main purpose of descriptive statistics is to - ANSWER ✔
Summarize data in a useful and informative manner
2. A sample of the paramedical fees charged by clinics revealed these
amounts: $55, $49, $50, $45, $52, and $55. What is the median
charge? - ANSWER ✔ 51.00
3. For a data set with an odd number of observations that have been
sorted from smallest to largest values, where is the median
located? - ANSWER ✔ (n + 1)/2
4. Assume a student received the following grades for the semester:
History, B; Statistics, A; Spanish, C; and English, C. History and
English are 5 credit-hour courses, Statistics a 4 credit-hour course,
and Spanish a 3 credit-hour course. If 4 grade points are assigned
, for an A, 3 for a B, and 2 for a C, what is the weighted mean grade
for the semester? - ANSWER ✔ 2.76
5. A disadvantage of using an arithmetic mean to summarize a set of
data is that __________. - ANSWER ✔ It can be biased by one or
two extremely small or large values
6. A survey item asked students to indicate their class in college:
freshman, sophomore, junior, or senior. Which measure(s) of
central location would be appropriate for the data generated by that
questionnaire item? - ANSWER ✔ Mode and median
7. The times (in minutes) that several underwriters took to review
applications for similar insurance coverage are 50, 230, 52, and 57.
What is the median length of time required to review an
application? - ANSWER ✔ 54.5
8. Which word is NOT part of the definition of descriptive statistics?
- ANSWER ✔ Predicting
9. A marketing class of 50 students evaluated the instructor using the
following scale: superior, good, average, poor, and inferior. The
descriptive summary showed the following survey results: 2%
superior, 8% good, 45% average, 45% poor, and 0% inferior. -
ANSWER ✔ c. Most students rated the instructor as poor or
average.
,10. What type of variable is the number of robberies reported in
your city? - ANSWER ✔ Quantitative
11. The Nielsen Ratings break down the number of people
watching a particular television show by age. What level of
measurement is age? - ANSWER ✔ Ratio
12. What level of measurement is a person's "favorite sport"? -
ANSWER ✔ Nominal
13. The final rankings of the top 20 NCAA college basketball
teams are an example of which level of measurement? - ANSWER
✔ Ordinal
14. What level of measurement is the Centigrade temperature
scale? - ANSWER ✔ Interval
15. A survey includes a question regarding marital status that has
the following responses: single, married, divorced, separated, or
widowed. What is the scale of measurement for this question? -
ANSWER ✔ Nominal
16. A group of women tried five brands of fingernail polish and
ranked them according to preference. What level of measurement
is this? - ANSWER ✔ Ordinal
, 17. Shoe style is an example of what level of measurement? -
ANSWER ✔ Nominal
18. When TV advertisements report "2 out of 3 dentists surveyed
indicated they would recommend Brand X toothpaste to their
patients," an informed consumer may question the conclusion
because the: - ANSWER ✔ Advertisement does not include the
total number of dentists surveyed
19. For the most recent seven years, the U.S. Department of
Education reported the following number of bachelor's degrees
awarded in computer science: 4,033; 5,652; 6,407; 7,201; 8,719;
11,154; 15,121. What is the annual arithmetic mean number of
degrees awarded? - ANSWER ✔ About 8,327
20. Which of the following measures of dispersion are based on
deviations from the mean? - ANSWER ✔ All apply
21. From the easiest to the hardest "ease of interpretation," rank
the measures of dispersion. - ANSWER ✔ Range, mean deviation,
variance
