Measures of Central Tendency and Variability Vocabulary

What is the mode of the data set:
Black  Blue  Red
Pink  Black  Black
Gray  Green  Blue
Blue  Blue  Red
Yellow  Blue  Red

• Blue and Black

• Blue

• Red

• Black

What is the mode for this table of data?

• 3

• 1

• 13

• 15

For this grouped data, what is the mean?

• 20

• 25

• 27

• 30

Find the mean.

• 10

• 20

• 30

• 40

Estimate the mean weight

• 63.5

• 65

• 67.2

• 70.1

What is the minimum value?

• 64

• 58

• 66

• 60

For this table of information, how many 1s occurred in the data?

• 3

• 5

• none

• impossible to know

For this table of data, what is the modal class?

• 0-<10

• 30-<40

• 20-<30

• 40-<50

The ____________ is the measure of central tendency that represents the middle number in a set of data.

• Mode

• Average

• Principal

• Median

In order to find the ____________, we add up all of the numbers in the data set and then divide the sum by the number of numbers.

• Average

• Mode

• Upper Quartile

• Median