Correlation and Correlation Coefficient

Correlation and Correlation Coefficient

8th - 9th Grade

•

32 Qs

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Correlation and Correlation Coefficient

Correlation and Correlation Coefficient

Assessment

Quiz

•

Mathematics

•

8th - 9th Grade

•

Easy

•
CCSS
8.SP.A.1, HSF-LE.A.1B, HSF.LE.B.5

+1

Standards-aligned

Created by

Andrew Burns

Used 2+ times

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32 questions

Show all answers

1.

DROPDOWN QUESTION

1 min • 1 pt

Media Image

Estimate the correlation coefficient for this scatterplot. (a)  

A) r = 1.2
B) r = 0.89
C)r = 0
D) r = -0.89

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Estimate the correlation coefficient for this scatterplot.

A) r = -0.9

B) r = 1

C) r = 0.9

D) r = -1

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What type of correlation does this graph show?

A) Positive

B) negative

C) none

D) all of the above

Tags

CCSS.8.SP.A.1

4.

DRAG AND DROP QUESTION

1 min • 1 pt

Which quality below do we NOT use when describing the relationship between two quantitative variables (a)  

Direction
Form
Strength
Spread

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

As x increases, y decreases.

A) no correlation

B) negative correlation

C) correlation coefficient

D) positive correlation

Tags

CCSS.HSF-LE.A.1B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

A) The more books students read, the lower their English grade.

B) The more books students read, the higher their English grade.

C) The fewer books students read, the higher their English grade.

D) No relationship exists between the number of books students read and their English grades.

Tags

CCSS.HSF.LE.B.5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The scatter plot shows the number coffee shops in different cities and the number of violent crimes. Which of the following is NOT true?

A) As the number of coffee shops increase, violent crimes appears to increase.

B) The line of best fit (regression line) shows a positive correlation

C) The data has a positive correlation coefficient

D) An increase in coffee shops causes an increase in violent crimes

Tags

CCSS.HSF-LE.A.1B

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