Scatterplots and Predictions

Scatterplots and Predictions

8th Grade

14 Qs

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Scatterplots and Predictions

Scatterplots and Predictions

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
HSF-LE.A.1B, 8.EE.B.5, HSF.LE.B.5

Standards-aligned

Created by

Anthony Clark

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The linear regression equation for the data is  y = 1.5x + 12.  Interpret the slope of the equation.

The slope is (0, 1.5).  It means that a pizza with 0 toppings will cost $1.50.

The slope is 1.5.  It means that it costs $1.50 per topping.

There are 1.5 toppings.

There are 1.5 pizzas.

Tags

CCSS.HSF.LE.B.5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In the scatter plot, does the image shows a "Line of Best Fit"?

Yes

No

Tags

CCSS.8.EE.B.5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which statement best describes the relationship shown in this scatter plot?

Students with a bigger shoe size earn a higher math score

Students with a smaller show size earn a higher math score

A student's shoe size has no effect on their math score

A student with a shoe size of 8 will always earn a score of 80%

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which graph shows a line of best fit for the scatter plot?

Graph A

Graph B

Graph C

Graph D

Tags

CCSS.8.EE.B.5

5.

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

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Estimate the correlation coefficient for this scatterplot.

r = -0.9

r = 1

r = 0.9

r = -1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which with is the line of best fit?

Black

Orange

Red

Blue

Tags

CCSS.8.EE.B.5

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