Utilizing excel data analysis calculate t distribution

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Reference no: EM1316292

Using Excel data analysis calculate't' distribution and interpret the result.

The fuel efficiencies for a sample of 27 compact, midsize, and large cars are entered into a statistical software package. Analysis of variance is used to investigate if there is a difference in the mean mileage of the three cars. What do you conclude? Use the .01 significance level.

Summary 

 

 

 

 

 

 

 

Groups 

count 

Sum 

Average 

Variance 

 

 

 

Compact 

12

268.3

22.35833

9.388106

 

 

 

Midsize 

9

172.4

19.15556

7.315278

 

 

 

Large 

6

100.5

16.75

7.303

 

 

 

 

 

 

Anova 

 

 

 

 

Source of Variation 

 

 

SS 

df 

MS 

p-value 

Between groups 

 

 

136.4803

2

68.24014

8.258752

0.001866

Within groups 

 

 

198.3064

24

8.262766

 

 

Total 

 

 

334.7867

26

 

 

 

 

Reference no: EM1316292

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