Intro to Stats

Find the mean:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.08

• 20.4

• 5.1

• 4.2

Find the median:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.2

• 3.8

• 4.0

Find the mode:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.2

• 3.8

• 4.0

Find the mean:
9, 9, 3, 2, 8, 7, 4 

• 49

• 6

• 9

• 7

Find the mode:
4, 5, 4, 3, 5, 1, 6

• 4

• 5

• 4 & 5

• 3

Find the range:
24, 33, 43, 44, 23, 41, 40

• 17

• 21

• 35

• 20

You collected the following data on the age of individuals in your neighborhood who still have a landline phone connection: 50, 52, 81, 88, 85, 71, 92, 45, 62. What is the median age of someone in your neighborhood who still has a landline phone?

• 71

• 69.6

• 81.4

• 66.7

You collected the following data on the age of individuals in your neighborhood who still have a landline phone connection: 50, 52, 81, 88, 85, 71, 92, 45, 62. Which of the following numbers are NOT in the 5-number summary for the data set? Select ALL values not in the 5-number summary.

• 45

• 50.5

• 70

• 86.5

• 92

What is the Inner Quartile Range for the following data set:

34, 30, 49, 41, 37, 40, 25, 56, 60, 57

• 22

• 20.5

• 24

• 35

Identify both the mean and median for the data set:

• 40.5

• 42.9

• 34

• 44.2

• 56