Statistics Review

The mean is calculated by adding all the numbers in a dataset and dividing it by the number of numbers in the dataset.

• True

• False

The mode is the number that appears the least

• True

• False

The median is the ______ number of an arranged dataset

How is the range of a dataset calculated?

• Q1 - Q3

• Min - Max

• Max - Min

• Q3 - Q1

Data: 2 7 5 4 8 4 3 4 5 6

What is the median of this data?

• 4

• 4.5

• 5

• 5.5

Data: 2 7 5 4 8 4 3 4 5 6

What is the mode of this data?

• 4

• 4.5

• 5

• 5.5

Data: 2 7 5 4 8 4 3 4 5 6

What is the mean of this data?

• 4

• 4.3

• 4.5

• 4.8

Data: 2 7 5 4 8 4 3 4 5 6

What is the range of this data?

• 6

• 5

• 4

• 3

IQR Stands for ...

• Internal Quality Range

• Internal Quarter Range

• Inter Quarter Range

• Inter Quartile Range

How is the IQR of a dataset calculated?

• Q1 - Q3

• Min - Max

• Max - Min

• Q3 - Q1