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Activity 38-39 Review

Authored by Melissa Balko

Mathematics

8th - 10th Grade

Used 8+ times

Activity 38-39 Review
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25 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is a scatter plot?

A graph that shows the relationship of two data sets.
A graph drawn using rectangular bars to show how large each value is.
A graph that shows information that is connected in some way.
A graph that shows data changing over time.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Which scatter plot shows a linear relationship between x and y?

Graph A

Graph B

Graph C

Graph D

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the correlation between length of running start and distance of jump?

positive:  the further you run the further you jump
negative: the less you run the less distance of your jump
positive: the further your running start the less your distance

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the type of correlation?

Negative 
no correlation
positive 

5.

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

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A researcher gathered data to predict the number of new types of plants (y) that will be in a state park after x years.  After making a scatter plot of the data, she determined the equation of a line of best fit to be
y = 0.25x + 8
Based on the equation, what is the number of new types of plants that will be in the park after 24 years?

8
14
32
64

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Describe the correlation, if the correlation coefficient is r = -0.26

Positive, weak

Negative, weak

Positive, strong

Negative, strong

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