
Directions: Read carefully.
1. 
Which question is a statistical question?



2. 
A class was surveyed to determine the number of hours that were spent preparing for the final examination. The results are shown at the right.
a) How many students were surveyed?
Choose:



b) What is the mean number of hours spent studying in this survey?
Choose:


3. 
Description of a mule, named Monty:
• 14.1 hands high
• 800 pounds
• 12 years old
• purchase cost: $800
• maintenance cost: $100 a month
How would you classify this data?
Choose:



4. The number of snowboarding accidents reported weekly during one winter season at the Fun Mountain Resort:
12, 15, 6, 8, 12, 17, 10, 8, 7, 13, 14, 16, 8, 18, 11 

b) Find the median.
c) Find the mode.
d) A teenager wants to emphasize the safety of snowboarding. Which measure of central tendency should the teen use?
e) A parent wants to emphasize the dangers of snowboarding. Which measure of central tendency should the parent use?


5. 
Lamar collects data to determine whether students think boys or girls are smarter. He surveys his allmale basketball team.
How would you describe this data?
Choose:



6. Questions pertain to the histogram shown below. 
b) How many students' heights are greater than or equal to 66 inches tall?


c) What percentage of the students have a height greater than or equal to 60 inches but less than 66 inches, to the nearest tenth of a percent?

d) In which interval, will you find the median student height, h?
Choose:


7. 
The number of iTunes downloaded by 25 students in one week ranges from 15 to 55. The boxandwhisker plot depicts this data.
For this data:
a) What is the minimum number of iTunes downloaded?
Choose:
b) What is the maximum number of iTunes downloaded?
Choose:
c) What number represents the first quartile of this data?
Choose:
d) What number represents the median of this data?
Choose:
e) What number represents the third quartile of this data?
Choose:


8. 
The table displays the frequency of scores on a 10 point quiz. Find the median of the scores.



9. 
The data set 5, 6, 7, 8, 9, 9, 9, 10, 12, 14, 17, 17, 18, 19, 19 represents the number of hours spent on the Internet in a week by students in a mathematics class.
Which boxandwhisker plot represents this data?
Choose:


10. 
A survey was developed to estimate the average number of hours per week that adults spend exercising. Every third person entering a large fitness complex was surveyed, with a total of 2,500 people being surveyed. The data showed that the mean number of hours spent exercising was 3.2 hours per week. Which characteristic of the survey could create a bias in the results?
Choose:


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