AP Statistics Course Check #1

This is an example of a

• frequency table
• dot plot
• box-and-whisker
• histogram

Is the data skewed right, left, or symmetrical?

• right
• left
• symmetrical

What is the IQR of this data set? 
37 42 48 51 52 53 54 54 55

• 5
• 6
• 8
• 9

What percent does each of the 4 sections contain on a box and whisker plot?

• 100%
• 75%
• 50%
• 25%

Which of the following is an example of categorical data?

• High School Graduate or Not
• Annual Income
• Years of Schooling Completed
• Years of playing an instrument

Tags

CCSS.HSS.ID.B.5

Find the Z-score.

Mean = 22

Standard Deviation: 3.1

x = 29

• 2.26

• 16.45

• -2.26

• 1.26

Tags

CCSS.HSS.ID.A.4

Find the mean.

Z-score = -1.4

Standard Deviation: 7

x = 20

• 29.8

• 10.2

• -21

• 35

Tags

CCSS.HSS.ID.A.4

Describe the correlation in the graph shown.

• Strong Negative
• Strong Positive
• Weak Negative
• Weak Positive

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

What letter do we use to represent correlation coefficient?

• c
• r
• p
• h

Tags

CCSS.HSS.ID.C.8

Is r = -0.87 strong, moderate, or weak?

• strong

• moderate

• weak

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8