Comparing Data Sets One Variable Statistics

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

Which of the following is a measure of spread, or variability? (select all that apply)

• Interquartile Range

• Standard Deviation

• Mean

• Median

• Range

What does standard deviation represent?

• How many different variations are in the data set.

• How the population varies compared to the sample.

• How spread out each data value is from the mean.

• The range, but with a bunch of other stuff going on.

All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?

• 1

• 2

• 3

• 4

If a bowler needs to hit exactly 6 pins, which bowler is more reliable to hit that number?

• Bowler A

• Bowler B

• Both

• Neither

The number of miles that Kiki cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Kiki cycled?

• 24

• 36

• 39

• 52

• Skewed Right
• Skewed Left
• Uniform
• Symmetric

• Skewed Right
• Skewed Left
• Uniform
• Symmetric

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%

Which has a greater interquartile range?

• Airplane A

• Airplane B

• Both the same