PM3 Ch 6 Day 1

PM3
Chapter 6
Day 1

MA.7.DP.1.1 & MA.7.DP.1.2

​Range: 70-12 = 58

Fill in the Blank

Calculate the mean:

56, 43, 62, 59, 57, 61, 58, 44

Multiple Choice

Spread is the ________, or difference, between least and greatest values.

• Mean
• Median
• Mode
• Range

Multiple Choice

Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?

• 12
• 72
• 48
• 98

Multiple Choice

Which box and whisker plot shows more "spread out" data?

• Top plot

• Bottom plot

Multiple Choice

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

​Use Median and IQR when there IS an outlier.
Use Mean and Range when there is NO outlier.

Multiple Choice

What is the most appropriate measure of CENTER for this data?

• Median, because there is an outlier

• Mean, because there is an outlier

• Median, because there is NOT an outlier

• Mean, because there is NOT an outlier

Multiple Choice

What is the most appropriate measure of the SPREAD of this data?

• Range, because there is an outlier

• IQR, because there is an outlier

• Range, because there is NOT an outlier

• IQR, because there is NOT an outlier

Multiple Choice

What is the most appropriate measure of the CENTER of this data?

• Mean, because there is NOT an outlier

• Mode, because there is NOT an outlier

• Mean, because there is an outlier

• Median, because there is an outlier

Multiple Choice

What is the most appropriate measure of the SPREAD of this data?

• Range, because there is an outlier

• IQR, because there is an outlier

• Mean, because there is an outlier

• Median, because there is an outlier

Multiple Choice

What is the most appropriate measure of the CENTER of this data?

• Range, because there is an outlier

• IQR, because there is an outlier

• Mean, because there is an outlier

• Median, because there is an outlier

Multiple Choice

These are the test scores for two different classes. Which class has a greater median?

• 2009 class

• 2010 class

• neither

• Same

Multiple Choice

These are the test scores for two different classes. Which class has more variability?

• 2009 class

• 2010 class

• neither

• Same

Multiple Choice

• A. Mean

• B. Median

• C. Mode

• D. Range