Population and Statistics Review

Which answer shows numerical data?

• Favorite animal

• Hours of sleep last night

• Hair color

• Elementary school you attended

What is the median of the following data set?

25, 42, 36, 12, 19

• 36

• 25

• 39

• 26.5

What is the mode of the following data set?

2, 4, 6, 8, 7, 9

• 2, 4, 6, 7, 8, 9

• 4

• 6

• no mode

What is the mean of the following set of data?

2, 6, 10, 31, 14, 8

• 11.8

• 71

• 12

• 14.2

What is the interquartile range of test scores for 1st Period?

• 70-95

• 75-90

• 15

• 10

Fifty percent of the test scores in 2nd Period were below what score?

• 82

• 75

• 85

• 93

What is the MAD of the following set of data? Round your answer to the nearest tenth.

• 5

• 4.7

• 4

• 9

Roger has the following data:

12, 10, 3, 5, 6

Susan has the following data:

5, 9, 4, 5, 6

Who has the data with the highest median and what is it?

• Roger - 6

• Susan - 7

• Roger - 8

• Susan - 5.5

What is the LE/min and UE/max of the following data:

15, 20, 5, 10, 2, 3, 19, 7, 11

• 2, 15

• 3, 19

• 2, 20

• 0, 100

Which of the following is a population?

• 7th grade girls at Schroeder

• 7th grade boys at Schroeder

• Teachers at Schroeder

• All students at Schroeder