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- 1. Multiple Choice
A list of 6 pulse rates is: 70, 64, 80, 74, 92. What is the median for this list?
74
76
77
80
- 2. Multiple Choice
If the minimum value in a set is 12 and its range is 8, what is its maximum value?
4
8
12
20
- 3. Multiple Choice
Data were collected on the number of minutes spent cooking a meal. The data are as follows:
8, 10, 15, 25, 30, 40, 12, 20, and 19
What is the range of this data?
22
24
32
48
- 4. Multiple Choice
The 75th percentile is referred to as the
First quartile
Second quartile
Third quartile
Fourth quartile
- 5. Multiple Choice
The measure of dispersion that is influenced most by extreme values is
the interquartile range
the range
the standard deviation
the variance
- 6. Multiple Choice
The arithmetic mean of the two numbers X1 and X2 is 5.
If X1=3, then X2 is:
3
5
7
10
- 7. Multiple Choice
Find the mode of the set of observations shown.
15, 13, 13, 14, 17, 17, 18, 12, 15, 17
13
14
15
17
- 8. Multiple Choice
The mean of 10 observations is 10. All the observations are increased by 10%. The mean of increased observations will be:
10
10.1
11
11.1
- 9. Multiple Choice
What is the variance for the following set of scores:
2, 2, 2, 2, 2
0
1
2
4
- 10. Multiple Choice
The maximum length in feet of several whales is listed below.
46, 53, 33, 53, 79
If the maximum length of the Blue Whale, 98 feet, is added to this list, which of the following statements would be true?
The mode would decrease.
The mean would increase.
The median would decrease.
The mean would decrease.
- 11. Multiple Choice
Approximately how many hours a day are spent sleeping?
6 hours
8 hours
9 hours
10 hours
- 12. Multiple Choice
What is the mode of the following data set?
12, 14, 10, 8, 12, 10, 8, 9, 11, 14,
17, 6, 10, 6, 16, 15, 16, 12, 18, 20,
20, 14, 6, 9, 10, 12, 18, 15, 11, 15
8, 15, 9, 8, 12, 11, 17, 20 16, 8
6 and 8
6 and 10
8 and 12
10 and 12
- 13. Multiple Choice
Given the following data set, what is the 5th decile?
15, 13, 14, 10, 13, 18, 10, 16, 13, 15, 17, 12
13
13.5
14
14.5
- 14. Multiple Choice
Rolly had three test scores of 78, 76, 74, 75, 76, and 74 while Jelyn had scores of 72, 82, 74, 79, 77, and 75. How did Rolly’s average (mean) score compare with Jelyn’s average score?
Rolly was 1 point higher.
Rolly was 1 point lower.
Both averages were the same.
Rolly was 2 points lower.
- 15. Multiple Choice
Determine the mean of x with the following distribution:
10.24
11.18
12.45
13.79
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