Calculating the Correlation Coefficient

Calculating the Correlation Coefficient

8th Grade

19 Qs

quiz-placeholder

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Calculating the Correlation Coefficient

Calculating the Correlation Coefficient

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
8.EE.B.5

Standards-aligned

Created by

Barbara White

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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the line of best fit for the data?

y = .25x + 8.25
y = 8.25x + .25
y = x + 1

Tags

CCSS.8.EE.B.5

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the correlation coefficient for the table?

1
-1
.25
8.25

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If the correlation coefficient of a table of data is 0.85, what is true about the line of best fit?

There is a weak, positive relationship
There is a strong, positive relationship
There is a weak, negative relationship
There is a strong, negative relationship

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Estimate the correlation coefficient

r=-1
r=.9
r=-0.5
r=0.5

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Estimate the correlation coefficient.

r=0
r=-1
r=1
r=2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

r=-0.89

Strong positive 
Weak positive 
Strong negative 
Weak negative 

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

r=0.3

Strong positive 
Weak positive
Strong negative
Weak negative 

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