Measures of Center

Four fourth-grade girls and four seventh-grade girls were randomly selected. Their heights, in inches, are recorded below.

4th Grade
56, 47, 54, 51

7th Grade
57, 58, 60, 64

Which grade has the highest mean?

• 4th Grade

• 7th Grade

Four fourth-grade girls and four seventh-grade girls were randomly selected. Their heights, in inches, are recorded below. 4th Grade 56, 47, 54, 51 7th Grade 57, 58, 60, 64 Which grade has the highest median?

• 4th Grade

• 7th Grade

Ryan's last 3 SAFE scores were 86, 100, and 100. What is his average, or mean, for his last 3 SAFE scores?

• 95.3

• 86

• 100

• 91.6

Ryan's last 3 SAFE scores were 86, 100, and 100. What is his median for his last 3 SAFE scores?

• 95.3

• 86

• 100

• 91.6

Find the mode of the following data set: 5, 9, 3, 13, 5.

• 3

• 5

• 9

• 13

What is the mode amount of money fundraised per month by the seventh grade?

• $0

• $10

• $40

• $80

Find the mean of the following data set: 5, 9, 3, 13, 5.

• 5

• 7

• 35

• 175

Find the median of the following data set: 5, 9, 3, 13, 5.

• 3

• 5

• 9

• 13

Find the range of the following data set: 5, 9, 3, 13, 5.

• 3

• 9

• 10

• 13

What is the range of the data set?

• 1 

• 4 

• 5 

• 6