Statistics Skills Quiz for Grade 6

What is a dot plot used for in statistics?

• To display the frequency of data points

• To calculate the mean

• To find the range

• To determine the mode

How do you calculate the mean of the data set: 3, 7, 7, 10, 15?

• 7

• 8.4

• 10

• 15

What is the median of the data set: 4, 8, 10, 12, 16?

• 8

• 10

• 12

• 16

Identify the mode of the data set: 5, 5, 7, 9, 9, 9, 10.

• 5

• 7

• 9

• 10

Find the range of the data set: 2, 4, 6, 8, 10.

• 2

• 4

• 6

• 8

What is the interquartile range of the data set: 1, 3, 5, 7, 9, 11, 13?

• 4

• 5

• 6

• 7

Which of the following is the upper quartile of the data set: 2, 4, 6, 8, 10, 12, 14?

• 6

• 8

• 10

• 12

Determine the lower quartile of the data set: 3, 5, 7, 9, 11, 13, 15.

• 5

• 7

• 9

• 11

Calculate the mean absolute deviation of the data set: 2, 4, 6, 8.

• 1.5

• 2

• 2.5

• 3

Which of the following data sets has a mode of 8?

• 8, 8, 9, 10

• 7, 8, 9, 10

• 6, 7, 8, 9

• 5, 6, 7, 8