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Using the partially completed analysis of variance and table of means provided b

ID: 3054567 • Letter: U

Question

Using the partially completed analysis of variance and table of means provided below, answer the following questions. Use the .05 significance level. All three groups have the same sample size.

Source

SS

df

MS

F

Treatment

3.9302

Error

9.03

Total

26

Group

A

B

C

sample mean

278.3

275.4

274.5

Find the value of LSD for comparing Groups A and B.

Is the difference between groups A and B significant?

yes

no

maybe?

Antidisestablishmentarianism

What's the value of SSTR?

What's the value of SSE?

Source

SS

df

MS

F

Treatment

3.9302

Error

9.03

Total

26

Explanation / Answer

as differnce between group A and B =278.3-275.4 =2.9 whcih is lower than LSD

hence No  difference between groups A and B is not significant

SSTR =70.98

SSE =216.72

Source SS df MS F Treatment 70.98 2 35.49 3.93 Error 216.72 24 9.03 Total 287.70 26