Line of Best Fit

Question 1

Which scatterplot shows no correlation?

Revolt · Accepted Answer

D: Option D

Question 2

Which scenarios have a negative correlation? Check all that apply.

Revolt · Accepted Answer

A: the number of calories consumed and the amount of weight lost by a person; E: the thickness of the ice on a lake and the likelihood of falling through the ice

Question 3

Which table shows a positive correlation?

Revolt · Accepted Answer

B: [Image: A 2-column table with 5 rows. The first column is ...]

Question 4

Use the regression line for the data in the scatterplot to answer the question. On average, how many more goals will a player score for every additional hour of practice?

Revolt · Accepted Answer

B: of a goal

Question 5

What type of correlation exists between the temperature and the number of fruit bars sold? What is the real-world meaning of the slope of the line of best fit for the given scenario? There are approximately more fruit bars sold for every degree(s) the temperature rises.

Revolt · Accepted Answer

A: positive

Question 6

Which temperature values would an interpolation be limited to?

Revolt · Accepted Answer

B: between 3 and 60

Question 7

Question 7

Revolt · Accepted Answer

84417

Question 8

Kardal used the line of best fit to predict that a man 80 inches tall would wear about a size 16 shoe. What can be concluded about this prediction? Check all that apply.

Revolt · Accepted Answer

A: The prediction is reasonable.; C: No data is given in the scatterplot for a height of 80 inches, but a shoe size can still be predicted.

Question 9

Question 9

Revolt · Accepted Answer

B: 2.2

Question 10

Question 10

Revolt · Accepted Answer

A: 1

Line of Best Fit Answers

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