Statistics Study Guide

What is the mode for this data set? Remember the mode is the most common or most frequent data.

• 55

• 60

• 70

• 75

What is the range for this data set? Remember to subtract the minimum value from the maximum value.

• 10

• 15

• 25

• 30

How many students were greater than or equal to 60 inches tall?

• 21

• 11

• 17

• 6

What is the lower quartile of the data?

• 30

• 40

• 70

• 80

• 100

What is the inner quartile range of the weekly car sales?

• 10

• 6

• 4

• 3

Find the Quartile 1 of the following data set:

2, 3, 4, 5, 5, 5, 7,

• 4

• 6

• 3

• 5

Find the Quartile 3 of these numbers:

2, 3, 4, 5, 5, 5, 7,

• 4

• 6

• 3

• 5

Which question is NOT a statistical question?

• How many countries are in the world?

• How many desserts do students eat daily?

• How many days do students practice soccer?

• How many hours per day do students play video games?

What is the MEAN for this data?

• 80

• 1040

• 13

• 81

What is the distribution of this data?

• symmetric

• skewed left

• skewed right

• bivariate