Statistics and Data

A store sells loaves of bread. The table below shows the number of loaves of bread sold each day for a week. What is the difference between the mean and median number of loaves of bread sold?

• 8

• 12

• 19

• 25

What is the mode of the data?

• book

• books

• books

• books

The neighborhood elementary school is having a fund raiser. The following table shows the number of packages of gift wrap sold each day. What is the mean number of packages of gift wrap that are sold?

• 57

• 72

• 75

• 94

Eat-A-Lot Cereal Company has a machine that records and graphs the weight (in grams) of packages as they leave the assembly line.  Below is a dot plot of some weights of packages.  Which set of data correctly matches this dot plot?

• 16.03, 16.01, 15.99, 16.07, 16.02, 16.02, 16.08, 16.00, 15.95, 16.02, 15.99

• 16.04, 16.01, 15.98, 16.07, 16.03, 16.02, 16.09, 16.00, 15.96, 16.02, 16.00

• 16.02, 16.01, 15.98, 16.07, 16.01, 16.02, 16.07, 16.00, 15.94, 16.02, 15.98

• 16.03, 16.00, 15.99, 16.06, 16.02, 16.01, 16.08, 15.99, 15.95, 16.01, 15.99

Calculate the mean of the following set of numbers: 3, 7, 7, 10, 12.

• 7

• 7.8

• 8

• 9

Calculate the median of the following set of numbers: 3, 7, 9, 12, 14.

• 7

• 9

• 12

• 14

The bar graph below shows the number of points scored by 4 students in a game.  What was the mean (average) number of points each student scored?

• 5

• 6

• 7 1/4

• 7 1/2

What was the highest score on the math test?

• 53

• 79

• 97

• 90

What is the median of the number set?  58, 21, 74, 63, 21

• 21

• 47

• 58

• 74

For one week, Jeremy counted the number of sea shells he found each day on the beach. His numerical data set was: 20, 37, 4, 2, 35, 33, 2 What is the range for Jeremy’s data set? 

• 20

• 33

• 35

• 2