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https://www.mathxlcom/Student/PlayerHomework xhomeworkid- 357993175&questi; 1&flushed-falseBcld; 36680948centerwin yes Austin West 4/11/16 6:29 PM omework: #9-Chapter 14 4-8 Save core: 0 of 1 pt lotta (7 complete) Score: 70%, 7 of 10 pts 4 4 26-T Hep As part of a research program for a new cholesterol dng, a phamaceutic ages adUL cholesteni levels of seven randomy selected men Constit as6s c ages and LDX (ow dernsity lipoprotoinj cholesteral af H f a al company would ihe to investigate the relationshp between the Help Me Solve This a vew an Exampie the 1a96% cort denc e nterval to estimate the avorage LDL cholestenal level of a 32 year old man rterval to estmate the areage cholesterd levee of a 32 ack the ican to ves the data table Clickthe icon to view the data tabie Data Table Textbook Tech Help Ask My instructor Determine the upper and lower limits of the confidence irterval. l Statcruncn 22 37 27 31 41 3142 o UCL LCL Round to one decienal place as needed ) Enter yosal an nthe edt fielts and then ccx Check Anser Check Answer Aa parts showing

Explanation / Answer

Excel output

Regression Analysis

r²

0.331

n

7

r

0.575

k

1

Std. Error

23.489

Dep. Var.

cholesterol

ANOVA table

Source

SS

df

MS

F

p-value

Regression

1,364.6902

1  

1,364.6902

2.47

.1766

Residual

2,758.7384

5  

551.7477

Total

4,123.4286

6  

Regression output

confidence interval

variables

coefficients

std. error

   t (df=5)

p-value

95% lower

95% upper

Intercept

103.1959

43.8398

2.354

.0652

-9.4979

215.8897

age

2.0460

1.3010

1.573

.1766

-1.2982

5.3902

Predicted values for: cholesterol

95% Confidence Interval

95% Prediction Interval

age

Predicted

lower

upper

lower

upper

Leverage

32

168.668

145.603

191.734

104.031

233.305

0.146

Answer:

UCL = 191.7

LCL = 145.6

Regression Analysis

r²

0.331

n

7

r

0.575

k

1

Std. Error

23.489

Dep. Var.

cholesterol

ANOVA table

Source

SS

df

MS

F

p-value

Regression

1,364.6902

1  

1,364.6902

2.47

.1766

Residual

2,758.7384

5  

551.7477

Total

4,123.4286

6  

Regression output

confidence interval

variables

coefficients

std. error

   t (df=5)

p-value

95% lower

95% upper

Intercept

103.1959

43.8398

2.354

.0652

-9.4979

215.8897

age

2.0460

1.3010

1.573

.1766

-1.2982

5.3902

Predicted values for: cholesterol

95% Confidence Interval

95% Prediction Interval

age

Predicted

lower

upper

lower

upper

Leverage

32

168.668

145.603

191.734

104.031

233.305

0.146

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