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Simple linear regression model.

In the following regression, X = weekly pay, Y = income tax withheld, and n = 35 McDonald's employees. (a) prepare the fitted regression equation, (c) What is the conclusion about the slope

R2

0.202

Std. Error

6.816

n

35

 

ANOVA table

Source

SS

df

ms

F

p-value

Regression

387.6959

1

387.6959

8.35

.0068

Residual

1,533.0614

33

46.4564

 

 

Total

1,920.7573

34

 

 

 

 

Regression output

 

 

 

confidence interval

variables

coefficients

std. error

t (df =33)

p-value

95% lower

95% upper

Intercept

30.7963

6.4078

4.806

.0000

17.7595

43.8331

Slope

0.0343

0.0119

2.889

.0068

0.0101

0.0584

a. prepare out the fitted regression equation

b. What is your conclusion about the slope?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920095

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