Stats Test Review

Find the Mean Absolute Deviation of the set: 12, 25, 7, 14, 11, 33

• 44

• 102

• 8

• 17

Find the Mean Absolute Deviation: 10, 9, 3, 8, 10.

• 3

• 5

• 1

• 2

How many students are between 48 and 51 inches tall?

• 14
• 8
• 2
• 0

What is the interquartile range (IQR)?

• 4
• 64
• 60
• 8

Which box and whisker plot has the highest median?

• Top plot
• Bottom plot

What percent of students read between 280 and 340 words per minute (wpm)?

• 0%

• 25%

• 50%

• 75%

• 100%

• Positive, strong
• Positive, weak
• Zero
• Negative, strong

• Positive, strong
• Positive, weak
• Negative, strong
• Negative, weak

Estimate the correlation coefficient.

• r=0
• r=-1
• r=1
• r=2

Given the following Scatter Plot, select the option that is most likely the r value.