Stem / Leaf Plot / Central Tendencies Quiz

How many scores are listed in this Stem and Leaf Plot?

• 3
• 6
• 9
• 18

This shows how many baseball cards a group of friends have in their collections. How many friends have baseball card collections with more than 70 cards?

• 7

• 8

• 9

• 4

What is the mode of the scores?

• 24
• 14
• 34
• 30

What is Mary's lowest test score?

• 49

• 40

• 42

• 45

What is the mean?

• # happening the most
• the number in the middle
• biggest-smallest
• the average

Find the mean of this data set:

2, 57, 38, 42, 6

• 29

• 38

• 50

• 145

Find the mode of this data set:

67, 74, 95, 98, 98, 99, 102

• 90.4

• 35

• 92

• 98

Grab a calculator: A sample of men shoe sizes are listed below:

9, 9, 10, 10, 11, 13, 15

What is the MEAN?

• 11

• 10

• 9

• 15

How do you find the mode?

• The average

• The number that appears most often.

• The largest number - the smallest number

• The number in the middle.

In order to find the median, the data must be sorted from least to greatest first.

• True
• False