- 1. Twelve students were given a math test, and the times (in minutes) to complete it are listed below. Find the range of these times.
10, 9, 12, 11, 8, 15, 9, 7, 8, 6, 12, 10
A) 9.5
B) 9
C) 10
D) 15
- 2. A relay race was completed by 7 participants, and their race times are given below (in seconds). What is the range of race times?
13.2, 14.5, 12.9, 13.9, 15.6, 14.1, 12.3
A) 14.1
B) 5.2
C) 3.3
D) 13.9
- 3. What is the mean test score for the 6 scores listed below?
89, 93, 87, 86, 85, 94
A) 89
B) 88
C) 85
D) 94
- 4. The average annual wind speed for the 5 windiest cities in the U.S. is given below in miles per hour. What is the mean of these annual wind speeds?
15.4, 14.0, 13.5, 13.1, 12.9
A) 13.5
B) 15.0
C) 13.78
D) 12.9
- 5. What is the median age of the 7 children whose ages are listed below?
11, 10, 13, 11, 12, 16, 14
A) 12.4
B) 10
C) 12
D) 11
- 6. The number of tornadoes that have occurred in the U.S. in the last 8 years is listed below. Find the median.
684, 764, 1133, 656, 702, 1303, 856, 1132
A) 856
B) 810
C) 764
D) 903
- 7. Given below are the daily high temperatures for one winter week in Albany, New York. What is the mode of these temperatures?
39, 42, 34, 37, 39, 44, 41
A) 39
B) 41.2
C) 39.4
D) 41
- 8. The mean of a set of numbers is 108. The sum of the numbers is 2,052. How many numbers are in the set?
A) 19
B) 17
C) 18
D) 20
- 9. 15 students retook a math test. Their scores were: 76, 89, 100, 98, 87, 90, 92, 89, 77, 97, 87, 94, 99, 70, 72. What was the median test score?
A) 88
B) 89
C) 87
D) 90
- 10. The high temperatures in Mooresville for the last 7 days are listed below. What is the mean temperature?
89, 88, 88, 85, 80, 83, 75
A) 88
B) 90
C) 85
D) 84
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