Definition Test 25 (Scatter diagrams only)

What phrase best describes the correlation illustrated?

• No correlation

• Strong negative

• Weak positive

• Strong positive

Tags

CCSS.HSS.ID.B.5

What type of correlation does this graph have?

• Negative

• no correlation

• positive

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation

Tags

CCSS.HSF-LE.A.1B

Estimate the correlation coefficient for this scatterplot.

• r = -0.9

• r = 1

• r = 0.9

• r = -1

The correlation coefficient r=0.3 refers to the correlation that is..

• Strong positive

• Weak positive

• Strong negative

• Weak negative

Tags

CCSS.HSS.ID.B.5

The correlation coefficient  $r=-0.89$  refers to the correlation that is...

• strong positive

• weak positive

• strong negative

• weak negative

Tags

CCSS.HSS.ID.B.5

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump
• negative: the less you run the less distance of your jump
• positive: the further your running start the less your distance

Tags

CCSS.HSF-LE.A.1B

Predicting the number of days to finish when you read 40 pages is an example of:

• Interpolation
• Extrapolation
• An outlier

This means to predict a value inside the known values on a graph.

• trend line
• interpolation
• extrapolation
• causation

Tags

CCSS.HSF.LE.B.5

This means to predict a value outside the known values on a graph.

• trend line
• interpolation
• extrapolation
• causation

Tags

CCSS.8.EE.C.7B