Scatter Plot Trend Lines and Predictions

Scatter Plot Trend Lines and Predictions

8th Grade

10 Qs

quiz-placeholder

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Scatter Plot Trend Lines and Predictions

Scatter Plot Trend Lines and Predictions

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
HSF.IF.A.2, HSF-LE.A.1B, 8.EE.B.5

+3

Standards-aligned

Created by

Anthony Clark

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The graph shows a line of best fit for data collected on the value of used cards in relation to the number of  years since they were purchased.  What is the equation of the line of best fit?

y = 750 x + 9500

y = - 750 x +11000

y = (3/4) x + 11

y = - (3/4) x + 11000

Tags

CCSS.8.EE.B.5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Mrs. Moises, the school counselor, keeps a candy jar in her office for students.  During one week, she kept count of how many students came to visit her and the number of candies in the jar, as show in the scatter plot.  Based on the trend line, what is the best prediction for the number of candies in the jar when 30 students visit her?

90

180

135

150

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Looking at the graph showing a line of best fit, what is the correlation shown?

Length of life is constant

Length of life increases as amount of sunlight increases

Length of life increases as amount of sunlight decreases

Length of life decreases as amount of sunlight increases

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A teacher made the following graph showing the number of hours that a student studied for an exam versus their exam grade. Predict the grade of a student if they studied for 3.5 hours.

70

90

80

60

Tags

CCSS.HSF.IF.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

As x increases, y decreases

As x increases, y increases

As x decreases, y decreases

Tags

CCSS.HSF-LE.A.1B

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

A

B

C

D

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What type of association does this scatter plot show?

positive linear association

negative linear association

no association

nonlinear association

Tags

CCSS.HSF-LE.A.1B

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