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Ch. 9 Test

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1.
2 points
The ages of the actors in the community theater are 12, 47, 32, 26, 24, 36, 48, 42, 20, 21, 39, 32, 20 , and 43. Which age group has the most actors?
2.
2 points
What is the mean for the following set of data: 125, 70, 75, 80, 70.
3.
2 points
What is the median for the set of data: 12, 9, 2, 4, 8
4.
2 points
The ages of the volunteers at the community center are 20, 54, 46, 34, 47, 45, 59, 50, 21, 31, 37, 55, and 53. What group had the most volunteers?
5.
2 points
Yolanda wants to survey 5th grade boys to find their favorite movie. Which sample fairly represents the population?
6.
2 points
What is the mean for the following set of data: 482, 715, 311, 556.
7.
2 points
True or False: Andrew wants to survey the 5th graders in his school to find out what form of transportation they take to school. Would a random sample of 25 5th grade boys represent the population?
8.
2 points
What is the mode for the set of data: 19.3, 11.1, 7, 19.3, 12.1, 10.7
9.
2 points
William wants to survey students, ages 10-14, to find out how often they use the community pool. Which sample fairly represents the population?
10.
2 points
Lorenzon wants to survey students, ages 10-14, to find out how often they use a computer. Would a random sample of 50 girls, ages 10-14, represent the population
11.
2 points
The math quiz scores for the students in Sanjay's class are 23, 34, 43, 33, 45, 50, 45, 48, 34, 49, and 54. What is the range of the data
12.
2 points
What is the median for the following set of data: 54, 41, 25, 35, 25.
13.
2 points
What is the mean for the set of data: 51, 28, 35, 14, 12
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