Algebra Correlation

Algebra Correlation

9th Grade

15 Qs

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Algebra Correlation

Algebra Correlation

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
8.EE.C.8C, 8.F.B.4, HSF-LE.A.1B

+2

Standards-aligned

Created by

Anthony Clark

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15 questions

Show all answers

1.

LABELLING QUESTION

1 min • 1 pt

the graphs below represents what type of correlation?

a

positive correlation

No correlation

negative correlation

2.

DROPDOWN QUESTION

1 min • 1 pt

Media Image

Estimate the correlation coefficient for this scatterplot.


(a)  

r = -0.9

r = 1

r = 0.9

r = -1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which statement identifies the correlation coefficient between the two variables and the correct interpretation of the correlation coefficient as a measure of the strength of the linear association?

r = 0.9591; The correlation coefficient indicates a weak, positive, linear correlation.

r = 0.9199; The correlation coefficient indicates a strong, negative, linear correlation.

r = 0.9591; The correlation coefficient indicates a strong, positive, linear correlation.

r = 0.9199; The correlation coefficient indicates a weak, negative, linear correlation.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What type of correlation the scatter plot shows?

Positive correlation

Negative correlation

No correlation

Non-linear correlation

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is this line an accurate line estimate of best fit for the data?

Yes

No

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the equation of the line of best fit

y = -2x + 10

y = 10x + 2

y = 2x + 10

y = 10

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Use your graphing calculator to enter this data, then calculate the equation for the line of best fit. (Round each decimal to the nearest tenth)

y = -25.1x + 5.6

y = 25.1x + 5.6

y = -5.6x + 25.1

y = 5.6x + 25.1

Tags

CCSS.8.EE.C.8C

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