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- 1. Multiple Choice
What is the standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
6.89
10.1
7.26
9
- 2. Multiple Choice
What does this symbol represent?
Standard Deviation
Variance
Mean Absolute Deviation
Median
- 3. Multiple Choice
What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}
293.67
15.87
17.14
41.98
- 4. Multiple ChoiceWhat is the mean?# happening the mostthe number in the middlebiggest-smallestthe average
- 5. Multiple Choice
What is the variance for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2
47.47
102.01
52.77
81
- 6. Multiple ChoiceFind the median of these numbers:
4, 2, 7, 4, 32574 - 7. Multiple ChoiceIf the standard deviation of a data set is 4, what is the variance?2164
- 8. Multiple Choice
68% of the data lies within:
3 Standard Deviations of the Mean
2 Standard Deviations of the Mean
1 Standard Deviation of the Mean
- 9. Multiple Choice
95% of the data lies within:
3 Standard Deviations of the Mean
2 Standard Deviations of the Mean
1 Standard Deviation of the Mean
- 10. Multiple Choice
99.7% of the data lies within:
3 Standard Deviations of the Mean
2 Standard Deviations of the Mean
1 Standard Deviation of the Mean
- 11. Multiple Choice
This data is:
Approximately normally distributed
Not normally distributed
- 12. Multiple Choice
Select the sampling method that would most fairly represent the people in the viewing area.
100 people that are trying out for a reality TV show
100 students at your middle school
Every 100th person at a shopping mall
- 13. Multiple Choice
To evaluate the defect rate of its memory chips, an integrated circuit manufacturer tests every 100th chip off the production line.
Biased Sample
Unbiased Sample
- 14. Multiple Choice
A real estate agent surveys people about their housing preferences at an open house for a luxury townhouse.
Biased Sample
Unbiased Sample
- 15. Multiple Choice
To determine the most common injury cared for in an emergency room, a reporter goes to the same hospital every afternoon for one month during the summer and observes people entering the emergency room. She concludes that second degree sunburn is the most common injury.
Unbiased
Biased
- 16. Multiple ChoiceThe number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?56911 - 17. Multiple ChoiceThe number of miles that Jenna cycled each week for a 7-week period is shown:
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Jenna cycled?24363952 - 18. Multiple Choice
In a population of five university students with GPAs of 2.5, 2.3, 1.7, 1.4, and 1.1, a sample of three students are considered. What would be the standard deviation of the resulting sampling distribution?
0.53
0.41
0.35
0.22
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