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Do Homework - Mary Rose Furka - Gooale Chrome https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld-3377815598questionld-5&flushed-true;&cld-37282758centerwin-yes; Mary Rose Furka 4/30/16 10:20 PM Homework: HW 9.3 Save Score: 0 of 1 pt 6016 (5 complete) HW Score: 60%, 3.6 of 6 pts 9.3.37-T :-Question Help * Construct the 95% confidence interval for B and M. of the regression line y =Mx + B, for the population using the following inequalities and data Full data set 2.3 21 190 17 21 213 2.1 2T 243 22 20 tcSe M: m _ E

Explanation / Answer

Regression Analysis

r²

0.868

n

8

r

0.931

k

1

Std. Error

8.993

Dep. Var.

y

ANOVA table

Source

SS

df

MS

F

p-value

Regression

3,179.6398

1  

3,179.6398

39.32

.0008

Residual

485.2352

6  

80.8725

Total

3,664.8750

7  

Regression output

confidence interval

variables

coefficients

std. error

   t (df=6)

p-value

95% lower

95% upper

Intercept

100.3233

16.5048

6.078

.0009

59.938

140.709

x

50.4605

8.0475

6.270

.0008

30.769

70.152

95% CI for B   (59.938, 140.709)

95% CI for M   ( 30.769, 70.152)

Regression Analysis

r²

0.868

n

8

r

0.931

k

1

Std. Error

8.993

Dep. Var.

y

ANOVA table

Source

SS

df

MS

F

p-value

Regression

3,179.6398

1  

3,179.6398

39.32

.0008

Residual

485.2352

6  

80.8725

Total

3,664.8750

7  

Regression output

confidence interval

variables

coefficients

std. error

   t (df=6)

p-value

95% lower

95% upper

Intercept

100.3233

16.5048

6.078

.0009

59.938

140.709

x

50.4605

8.0475

6.270

.0008

30.769

70.152

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