Linear Regression

Linear Regression

9th Grade

20 Qs

quiz-placeholder

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Linear Regression

Linear Regression

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
8.EE.C.8C, HSF.LE.B.5, 8.EE.B.5

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

y = 1.5x + 12

y = 12x + 1.5

y = 0.67x - 8

y = -8x + 0.67

Tags

CCSS.8.EE.C.8C

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

y = 61.93x - 1.79

y = -1.79x + 61.93

y = 0.016x + 0.03

y = 0.03x + 0.016

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The chart below tracts starting salaries for health care workers since the year 2000. Using linear regression, find the equation of best fit. Round decimals to 3 places.

y = 839.721x + 27541.812

y = 27541.812x - 839.721

y = 27541.812x + 839.721

y = 839.721x - 27541.812

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the equation of the line of best fit for the given data

y = 163.41x+1.49

y =- 163.41x+ 4.19

y =- 4.19x+163.41

y = 4.19x -163.41

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Question 15

1

2

3

4

Tags

CCSS.8.EE.C.8C

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Question 5

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a best-fit line used for?

To make predictions

To make the graph look pretty

To connect the points

To make it look like you know what you are doing

Tags

CCSS.8.EE.B.5

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