Regression Analyses Using Excel:

Part 1:

BENEFITS and INTRINSIC as independent and dependent variable respectively: (equation 1)

The following is a summary of the results:

Regression Statistics

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Regression Analyses Using Excel

Multiple R

0.468804

R Square

0.219778

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Adjusted R Square

0.185855

Standard Error

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Regression Analyses Using Excel

0.932503

Observations

25

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Regression Analyses Using Excel

ANOVA

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df

SS

MS

F

Significance F

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Regression Analyses Using Excel

Regression

1

5.63369

5.63369

6.4787733

0.018084926

Residual

23

19.99991

0.869561

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Total

24

25.6336

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Coefficients

Standard Error

t Stat P-value

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Lower 95%

Upper 95%

Intercept

1.554273

1.411685

1.101006

0.2822837

-1.366019034

4.4745652

BENEFITS

0.664006

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Regression Analyses Using Excel

0.260871

2.545343

0.0180849

0.124353418

1.2036581

Equation 1:

INTRINSIC = 1.554273 + 0.664 BENEFITS

T critical value at the 95% level of test is 2.06; comparing this with the t statistics value it is evident that the slope is significant while the intercept is not significant. (Ken, 2009)

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Regression Analyses Using Excel

Part 2:

BENEFITS and EXTRINSIC as independent and dependent variable respectively:

(equation 2)

The following is a summary of the results:

Regression Statistics

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Regression Analyses Using Excel

Multiple R

0.34268

R Square

0.*11743*

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*Regression Analyses Using Excel*

Adjusted R Square

0.079057

Standard Error

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Regression Analyses Using Excel

1.016694

Observations

25

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Regression Analyses Using Excel

ANOVA

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**Regression Analyses Using Excel**

df

SS

MS

F

Significance F

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*Regression Analyses Using Excel*

Regression

1

3.163276

3.163276

3.0602491

0.093563229

Residual

23

23.77432

1.033666

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Total

24

26.9376

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__Regression Analyses Using Excel__

Coefficients

Standard Error

t Stat P-value Lower 95%

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Regression Analyses Using Excel

Upper 95%

Intercept

7.404902

1.539139

4.811069

7.457E-05

4.220951367

10.588853

BENEFITS

-0.49756

0.284424

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Regression Analyses Using Excel

-1.74936

0.0935632

-1.085933127

0.0908167

Equation 2:

EXTRINSIC = 7.404902-0.49756 BENEFITS

T critical value at the 95% level of test is + or – 2.06, comparing this with the t statistics value it is evident that the slope is not significant while the intercept is significant. (Ken, 2009)

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Regression Analyses Using Excel

Part 3:

BENEFITS and OVERALL as independent and dependent variable respectively:

(Equation 3)

The following is a summary of the results:

Regression Statistics

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Regression Analyses Using Excel

Multiple R

0.140186

R Square

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0.019652

Adjusted R Square

-0.02297

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Standard Error

0.990779

Observations

25

26/38

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27/38

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ANOVA

df

SS

MS

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F

Significance F

Regression

1

0.452594

0.452594

0.4610571

0.503906493

Residual

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23

22.57781

0.981644

Total

24

23.0304

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Coefficients

Standard Error

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t Stat P-value Lower 95% Upper 95%

Intercept

4.162472

1.499908

2.775152

0.0107666

1.059676321

7.2652673

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Regression Analyses Using Excel

BENEFITS

0.188204

0.277174

0.679012

0.5039065

-0.385173504

0.7615822

Equation 3:

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Regression Analyses Using Excel

OVERALL = 4.1625 + 0.1882 BENEFITS

T critical value at the 95% level of test is + or – 2.06, comparing this with the t statistics value it is __evident__ that the slope is not significant while the intercept is significant. (Ken, 2009)

Part 4:

Graphs and Regression line equations:

Equation 1:

INTRINSIC = 1.554273 + 0.664 BENEFITS

The chart below summarizes the results for equation 1:

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Regression Analyses Using Excel

From the chart there is a positive relationship between the two variables, when benefit increase then Intrinsic increases.

Slope and intercept:

The slope of the regression model is 0.664 and the Y intercept value is 1.554273. This means if benefits increase by one unit then intrinsic will increase by 0.664 units. (Bowerman, 2003)

R squared:

The R squared value for this model is 0.219778, meaning benefits explain 21.98% of changes in Intrinsic variable. (Bowerman, 2003)

Equation 2:

EXTRINSIC = 7.404902-0.49756 BENEFITS

The chart below summarizes the results for equation 2:

From the chart there is an inverse relationship between the two variables, when benefit increase then extrinsic decreases.

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Regression Analyses Using *Excel*

Slope and intercept:

The slope of the regression model is -0.49756 and the Y intercept value is 7.4. This means if benefits increase by one unit then extrinsic will increase by –

0.49756

units. (Bowerman, 2003)

R squared:

The R squared value for this model is 0.11743, meaning benefits explain 11.74% of changes in extrinsic variable. (Bowerman, 2003)

Equation 3:

OVERALL = 4.1625 + 0.1882 BENEFITS

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Regression Analyses Using Excel

The chart below summarizes the results for equation 3:

From the chart there is a positive relationship between the two variables, when benefit increase then overall increases.

Slope and intercept:

The slope of the regression model is 0.1882 and the Y intercept value is 4.1625. This means if benefits increase by one unit then overall will increase by

0.1882

units. (Bowerman, 2003)

R squared:

The R squared value for this model is 0.019652, meaning benefits explain 1.97% of changes in overall variable. (Bowerman, 2003)

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Comment:

The first equation INTRINSIC = 1.554273 + 0.664 BENEFITS produces the strongest relationship, this model has the highest slope value showing a strong relationship between the variables, the R squared value is 0.2198 which is the highest value and therefore this shows the strongest correlation coefficient. The slope of this model is statistically significant while none of the other models value are significant, the second model EXTRINSIC = 7.404902-0.49756 BENEFIT has a negative slope and from the other models benefits increases satisfaction, therefore this model will not be appropriate in estimating satisfaction values.

References:

Bruce Bowerman (2003) Business statistics in practice, New Jersey: Prentice Hall press

Ken Black (2009) Business Statistics: Contemporary Decision Making, New York: McGraw hill press

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