1. A survey of 385 people who like wild sweaters found that 74% had a wild holiday sweater. What is the
population andwhat is the sample?
a. Population: people who like wild sweaters; Sample: the 385 people who like wild sweaters
2. A survey of all 35 employees at a small company of them like the recent changes to the company’s
benefits. Is this percentage a parameter or astatistic andwhy?
a. Parameter as it represents the population
3. A survey of 481 of your customers shows that 79% of them like the recent changes to the product. Is this
percentage a parameter or astatistic andwhy?
a. Statistic as it represents the sample
4. The measurements of 100 products from the assembly line show that 99% are correct. Is this percentage a
parameter or astatistic andwhy?
a. Statistic as it represents the sample
5. Classify the data of all the political parties in the world.
a. Qualitative
6. Classify the data of the number of customers at a restaurant.
a. Quantitative
7. The data set that lists the number of performancesfor each Broadway show in 2017 would be classified as
what type of data?
a. Ratio
8. The data set that lists the temperatures in Albany, NY each day in the month of February would be
classified as what type of data?
a. Interval
9. A data set that includes the shows on a station during the day would be classified as what type of data?
a. Nominal
10. A data set that includes the number of products that were produced within each hour by a company would
be classified as what type of data?
a. Ratio
11. A data set that includes the years in which your hometown team won championships would be classified as
what type of data:
a. Interval
12. What type of data collection might be best to estimate whether a new medicine is more effective in curing
the common cold than aspirin?
a. Experiment
13. What type of data collection might be best to estimate how many books individuals read in the past 6
months?
a. Survey
14. What type of data collection might be best to study the effect of a terror attack on a city’s electrical
system?
a. Simulation
15. What type of data collection might be best to study how voters might decide an upcoming ballot issue?
, a. Survey
16. You need to study the satisfaction of customers of a specific restaurant.You decide to randomly select one
customer at each table. This would most closely describe which type of sampling technique?
a. Stratified
17. You need to study the satisfaction of customers of a specific restaurant. You ask every 10th customer as
they leave after their meal.This would most closely describe which type of sampling technique?
a. Systematic
18. You need to study the satisfaction of customers of a specific restaurant. You decide to order food andtalk
to those customers sitting next to you.This would most closely describe which type of sampling technique?
a. Convenience
19. Which of the following graphs would be a Pareto chart?
a.
20. Which of the following graphs would be a line
graph? a.
21. Which of the following graphs would be a
histogram? a.
22. In a normally distributed data set of how long customers stay in your store, the mean is 44.8
minutes andthe standard deviation is 2.6 minutes.Within what range would you expect 95% of your
customers to stay in your store?
a. 39.6-50.0
23. In a normally distributed data set of how long customers stay in your store, the mean is 50.3
minutes andthe standard deviation is 3.6 minutes.Within what range would you expect 95% of your
customers to stay in your store?
a. 43.1-57.5
24. In a normally distributed data set of how long customers stay in your store, the mean is 31.7
minutes andthe standard deviation is 1.9 minutes. Within what range would you expect 95% of your
customers to stay in your store?
a. 27.9-35.5
25. Which of the following graphs would be considered right
skewed? a.
26. Which of the following graphs would be considered normally
distributed? a.
27. In a normally distributed data set with a mean of 19 anda standard deviation of 2.6, what percentage of
the data would bebetween 16.4 and21.6?
a. 68% based on the Empirical Rule
population andwhat is the sample?
a. Population: people who like wild sweaters; Sample: the 385 people who like wild sweaters
2. A survey of all 35 employees at a small company of them like the recent changes to the company’s
benefits. Is this percentage a parameter or astatistic andwhy?
a. Parameter as it represents the population
3. A survey of 481 of your customers shows that 79% of them like the recent changes to the product. Is this
percentage a parameter or astatistic andwhy?
a. Statistic as it represents the sample
4. The measurements of 100 products from the assembly line show that 99% are correct. Is this percentage a
parameter or astatistic andwhy?
a. Statistic as it represents the sample
5. Classify the data of all the political parties in the world.
a. Qualitative
6. Classify the data of the number of customers at a restaurant.
a. Quantitative
7. The data set that lists the number of performancesfor each Broadway show in 2017 would be classified as
what type of data?
a. Ratio
8. The data set that lists the temperatures in Albany, NY each day in the month of February would be
classified as what type of data?
a. Interval
9. A data set that includes the shows on a station during the day would be classified as what type of data?
a. Nominal
10. A data set that includes the number of products that were produced within each hour by a company would
be classified as what type of data?
a. Ratio
11. A data set that includes the years in which your hometown team won championships would be classified as
what type of data:
a. Interval
12. What type of data collection might be best to estimate whether a new medicine is more effective in curing
the common cold than aspirin?
a. Experiment
13. What type of data collection might be best to estimate how many books individuals read in the past 6
months?
a. Survey
14. What type of data collection might be best to study the effect of a terror attack on a city’s electrical
system?
a. Simulation
15. What type of data collection might be best to study how voters might decide an upcoming ballot issue?
, a. Survey
16. You need to study the satisfaction of customers of a specific restaurant.You decide to randomly select one
customer at each table. This would most closely describe which type of sampling technique?
a. Stratified
17. You need to study the satisfaction of customers of a specific restaurant. You ask every 10th customer as
they leave after their meal.This would most closely describe which type of sampling technique?
a. Systematic
18. You need to study the satisfaction of customers of a specific restaurant. You decide to order food andtalk
to those customers sitting next to you.This would most closely describe which type of sampling technique?
a. Convenience
19. Which of the following graphs would be a Pareto chart?
a.
20. Which of the following graphs would be a line
graph? a.
21. Which of the following graphs would be a
histogram? a.
22. In a normally distributed data set of how long customers stay in your store, the mean is 44.8
minutes andthe standard deviation is 2.6 minutes.Within what range would you expect 95% of your
customers to stay in your store?
a. 39.6-50.0
23. In a normally distributed data set of how long customers stay in your store, the mean is 50.3
minutes andthe standard deviation is 3.6 minutes.Within what range would you expect 95% of your
customers to stay in your store?
a. 43.1-57.5
24. In a normally distributed data set of how long customers stay in your store, the mean is 31.7
minutes andthe standard deviation is 1.9 minutes. Within what range would you expect 95% of your
customers to stay in your store?
a. 27.9-35.5
25. Which of the following graphs would be considered right
skewed? a.
26. Which of the following graphs would be considered normally
distributed? a.
27. In a normally distributed data set with a mean of 19 anda standard deviation of 2.6, what percentage of
the data would bebetween 16.4 and21.6?
a. 68% based on the Empirical Rule
