AnswersSC-Statistical Modeling SDPCCorrelation

Correlation Answers

8 verified answers
1
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The explanatory variable for this association is.

A
drainage
B
pool
C
time
D
water level
2
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The response variable for this association is .

A
drainage
B
pool
C
time
D
water level
3

What are the slope and y-intercept of the regression line?

A
slope: –5.6, y-intercept: 77
B
slope: 5.6, y-intercept: 77
C
slope: 77, y-intercept: –5.6
D
slope: 77, y-intercept: 5.6
4

Which prediction statement is correct?

A
The model predicts a heart rate of about 48 BPM for 5.5 hours of exercise per week.
B
The model predicts a heart rate of about 57.1 BPM for 5.5 hours of exercise per week.
C
The model predicts a heart rate of about 65.5 BPM for 5.5 hours of exercise per week.
D
The model predicts a heart rate of about 80.2 BPM for 5.5 hours of exercise per week.
5

Answer each question using the scatterplot and regression equation.

A
$38.06
B
$42.21
C
$67.24
6

Answer each question using the scatterplot and regression equation.

A
$18.09
B
$34.06
C
$43.12
7

Answer each question using the scatterplot and regression equation.

A
$43.12
B
$180.90
C
$205.93
8

Answer each question using the scatterplot and regression equation.

A
$120.60
B
$145.63
C
$170.66

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