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{Exercise 14.13} Compute b 1 and b 0 (to 4 decimals). b 1 ______ b 0 ______ Comp

ID: 3387464 • Letter: #

Question

{Exercise 14.13}

Compute b1 and b0 (to 4 decimals).

b1   ______   
b0   ______   

Complete the estimated regression equation (to 2 decimals).
= ____ + ____   x

Predict a reasonable level of total itemized deductions for a taxpayer with an adjusted gross income of $52.5 thousand (to 2 decimals).
______ thousand dollars

What is the value, in dollars, of the deductions calculated in part (c) above (to the nearest whole number)?
$ ______   

If this taxpayer claimed itemized deductions of $20,400, would the IRS agent's request for an audit appear justified?
_________________

Explanation / Answer

      Which of the following scatter diagrams accurately represents the data

Scatter diagram 1

Regression Analysis

0.955

n

7

r

0.977

k

1

Std. Error

1.372

Dep. Var.

deduction

ANOVA table

Source

SS

df

MS

F

p-value

Regression

199.0083

1  

199.0083

105.79

.0001

Residual

9.4060

5  

1.8812

Total

208.4143

6  

Regression output

confidence interval

variables

coefficients

std. error

   t (df=5)

p-value

95% lower

95% upper

Intercept

4.6768

1.0334

4.526

.0063

2.0203

7.3332

Income

0.1613

0.0157

10.285

.0001

0.1210

0.2016

Predicted values for: deduction

95% Confidence Interval

95% Prediction Interval

Income

Predicted

lower

upper

lower

upper

Leverage

52.5

13.1455

11.8006

14.4904

9.3720

16.9191

0.146

Compute b1 and b0 (to 4 decimals).

b1   0.16  
b0   4.68   


Complete the estimated regression equation (to 2 decimals).
= 4.68 + 0.16  x

Predict a reasonable level of total itemized deductions for a taxpayer with an adjusted gross income of $52.5 thousand (to 2 decimals).
13.15 thousand dollars

What is the value, in dollars, of the deductions calculated in part (c) above (to the nearest whole number)?
$ 13150

If this taxpayer claimed itemized deductions of $20,400, would the IRS agent's request for an audit appear justified?
IRS agent's request for an audit appear not justified, because expected deductions calculated is $13150.

Regression Analysis

0.955

n

7

r

0.977

k

1

Std. Error

1.372

Dep. Var.

deduction

ANOVA table

Source

SS

df

MS

F

p-value

Regression

199.0083

1  

199.0083

105.79

.0001

Residual

9.4060

5  

1.8812

Total

208.4143

6  

Regression output

confidence interval

variables

coefficients

std. error

   t (df=5)

p-value

95% lower

95% upper

Intercept

4.6768

1.0334

4.526

.0063

2.0203

7.3332

Income

0.1613

0.0157

10.285

.0001

0.1210

0.2016

Predicted values for: deduction

95% Confidence Interval

95% Prediction Interval

Income

Predicted

lower

upper

lower

upper

Leverage

52.5

13.1455

11.8006

14.4904

9.3720

16.9191

0.146