Stats test review!

What percentage of people bought Doritos?

• 30%

• 14.5%

• 1%

• 45.5%

How many people bought Coke and Lays?

• 50

• 50%

• 12.5%

• .125

Given the following data set, find the mean.

12, 12, 13, 13, 15, 14, 12, 11, 10, 9

• 121

• 12.1

• 12

• 10.8

Given the following data set, find the median.

12, 12, 13, 13, 15, 14, 12, 11, 10, 9

• 14

• 15

• 12

• 13

Given the following data set, find the mode.

12, 12, 13, 13, 15, 14, 12, 11, 10, 9

• 12

• 13

• 15

• 14

Given the following data set, find the range.

12, 12, 13, 13, 15, 14, 12, 11, 10, 9

• 5

• 6

• 4

• 3

Given the following data set, find the IQR.

12, 12, 13, 13, 15, 14, 12, 11, 10, 9

• 2

• 3

• 4

• 5

Which stastical measure changes when every number in a data set is increased by 10?

• Range

• Mean

• Standard deviation

• Interquartile range (IQR)

What is the mode of the data set?

3, 5, 6, 7, 7, 7, 10, 10, 5, 9, 8

**Type in the number and nothing else!

What is the mean of the data set?

3, 5, 6, 7, 7, 7, 10, 10, 5, 9, 8

**Type in the number and nothing else!