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	F	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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