Data and Statistics Review

Kennedy practices hitting golf balls at a target every day after school. Her data for hitting the target each day last week was: 18, 16, 9, 19, 15, 31, 14 Find the Median.

Which interval represents the greatest number of songs

• 2.5 - 2.99

• 3 - 3.49

• 3.5 - 3.99

• 4 - 4.49

How many songs are at least 3.5 minutes long?

• 1

• 3

• 4

• 10

How many songs are less than 3.5 minutes long?

• 1

• 3

• 4

• 10

Use the data set 2,3,3,4,5,7,8,8,8,10,10,12.
Find the mean of the data.

• 7.5

• 8

• no mean

Use the data set 2,3,3,4,5,7,8,8,8,10,10,12.

Find the median of the data.

• 7.5

• 8

• No median

Use the data set 2,3,3,4,5,7,8,8,8,10,10,12. Find the mode of the data.

• 7.5

• 8

• No mode

Use the data set 2,3,3,4,5,7,8,8,8,10,10,12.

Find the range of the data.

• 2

• 5.5

• 10

• 12

Use the data set 2,3,3,4,5,7,8,8,8,10,10,12. Find the lower and upper quartiles of the data.

• 2, 12

• 4.5, 8

• 3, 10

• 3.5, 9

Use the data set 2,3,3,4,5,7,8,8,8,10,10,12.

Find the interquartile range of the data.

• 10

• 3.5

• 7

• 5.5