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Scatter Plot, Best Fit and Two Way Table

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Scatter Plot, Best Fit and Two Way Table
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

12 chapters

15 chapters

18 chapters

21 chapters

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

According to the table, what is the relative frequency of all students who are between ages 14 - 17 and skip breakfast?

About 27%

About 35%

About 15%

About 30%

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the relative frequency (to the nearest percent) of boys among those who cannot bike to school? 

4%

14%

13%

29%

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What type of association does this graph show?

Positive

negative

none

all of the above

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The graph above shows a line of best fit for data collected on the amount earned by waiters and waitresses last week in relation to the number of tables they served.  What is the equation of the line of best fit?

y = (5/3) x + 375

y = (1/3) x + 475

y = (5/3) x + 475

y = (1/3) x + 375

Tags

CCSS.HSF.LE.B.5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The graph shows a line of best fit for data collected on the amount of income earned by lawn companies in relation to the number of yards mowed.  What is the equation of the line of best fit?

Tags

CCSS.HSF.LE.B.5

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which statement best explains whether the line of best fit is a good fit for the data?

The line of best fit is NOT a good fit for the data because there is an outlier.

The line of best fit is a good fit for the data because it passes through two of the data points.

The line of best fit is a good fit for the data because the data represents a positive association, and the line has a positive slope.

The line of best fit is NOT a good fit for the data because most of the points are below the trend line.

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