Unit 1 Review Warm Up

Which of the following is a measure of variability?

• mean
• median
• mode
• standard deviation

Tags

CCSS.6.SP.A.3

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

• 24
• 36
• 39
• 52

Tags

CCSS.6.SP.B.5C

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

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the sample standard deviation of Ervin's scores?

• 511.33

• 22.61

• 438.48

• 20.94

What is the shape of this data?

• uniform

• skewed left

• skewed right

• symmetric

What is the overall shape of the graph?

• Approximately Symmetrical
• Skewed left
• Skewed right

What is the shape of the distribution?

• Skewed Left

• Skewed Right

• Symmetric

What is the shape of the distribution?

• Skewed Left

• Skewed Right

• Symmetric

What measure best describes the center of the data distribution?
*Hint - If the data is uniform or symmetric, the use either mean or median.  If the data is skewed, then use the median.

• spread
• mean
• peak
• median

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

A data value that is much higher or much lower than the other values in a data set.

• outlier
• inlier
• immalier
• sublier