Quiz about Scatter Plots and Predictions

Question 1

Which line is the best fit line for this scatter plot?

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 2

Which line is the best fit line for this scatter plot?

Accepted Answer

b

Answer

a

Answer

c

Answer

d

Question 3

Which line is the best fit line for this scatter plot?

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 4

Which line is the best fit line for this scatter plot?

Accepted Answer

a

Answer

b

Answer

c

Answer

d

Question 5

Using the scatterplot and best fit line, estimate what the resting heart rate is after 2 hours of exercise.

Accepted Answer

72

Answer

65

Answer

85

Answer

62

Question 6

Using the given scatter plot, estimate how many emails per day an 18 year old gets.

Accepted Answer

28

Answer

48

Answer

38

Answer

18

Question 7

The line of best fit _____. Check all that apply.

Accepted Answer

can be used to make predictions.

Accepted Answer

should have about the same number of points above and below.

Answer

should include outliers.

Answer

must pass through multiple points.

Question 8

Which line is the best fit line for this scatter plot?

Accepted Answer

b

Answer

a

Answer

c

Answer

d

Question 9

Which line is the best fit line for this scatter plot?

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 10

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

Accepted Answer

No

Answer

Yes

Question 11

Which of the following could be a possible line of best fit for the data?

Accepted Answer

y = -5/4x + 21

Answer

y = -5/2x + 20

Answer

y = -x + 19

Answer

y = x + 20

Answer

y = 2/3x + 15

Question 12

Which of the following lines represents the line of best fit for the scatter plot?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 13

Which sentence(s) describes the relationship shown on this scatterplot?

Accepted Answer

As the temperature increases, the number of visitors increases.

Accepted Answer

There is a positive correlation between temperature and visitors

Answer

As the temperature decreases, the visitors increase.

Answer

As the visitors increase, the temperature decreases.

Answer

No correlation between temperature and visitors

Scatter Plots and Predictions

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