Using Equations to Represent Trend Lines

Question 1

Point 1 can be .

Revolt · Accepted Answer

(236, 2855)

Question 2

Point 2 can be .

Revolt · Accepted Answer

(248, 2865)

Question 3

Using those two points, the slope of the line is .

Revolt · Accepted Answer

0.83

Question 4

What is equation of the trend line?

Revolt · Accepted Answer

y = 3x + 55

Question 5

What type of correlation do the data points represent?

Revolt · Accepted Answer

negative

Question 6

Given a scatterplot and trend line, which statements are true? Check all that apply.

Revolt · Accepted Answer

The trend line should have roughly the same number of data points on each side of the line.; The trend line represents the correlation between the two variables.; The equation of the trend line shows the relationship between two variables.

Question 7

What is the equation that best represents the data?

Revolt · Accepted Answer

y = -500x + 4,500

Using Equations to Represent Trend Lines Answers

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