Strong or Weak Correlation Given R Values

Strong or Weak Correlation Given R Values

9th Grade

20 Qs

quiz-placeholder

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Strong or Weak Correlation Given R Values

Strong or Weak Correlation Given R Values

Assessment

Quiz

Mathematics

9th Grade

Hard

CCSS
HSF-LE.A.1B

Standards-aligned

Created by

Anthony Clark

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Describe the correlation in the graph shown.

Strong Negative

Strong Positive

Weak Negative

Weak Positive

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

r=-0.89

Strong positive 

Weak positive 

Strong negative 

Weak negative 

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Estimate the correlation coefficient for this scatterplot.

r = 1.2

r = 0.89

r = 0

r = -0.89

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Determine the Correlation Coefficient and decide whether it is weak, moderate, or strong.

0.07 weak

-0.26 weak

-0.26 moderate

0.07 strong

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What does the correlation coefficient for the data indicate about the strength of the linear association between the x and y variables Hint: what is the correlation based on the scatter plot

strong negative

weak negative

strong positive

weak positive

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

The table shows the lengths and corresponding ideal weights of sand sharks. Which r-value is more accurate for the data?

r = 0.99

r = -0.90

r = 0.09

r = -0.099

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

As shown in the table, a person's target heart rate during exercise changes as the person gets older. Use the graphing calculator to find the correlation coefficient (r).

-0.999

-0.664

0.998

1.503

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