Question

How do I know whether the variable of interest exhibit a statistical significant difference between the...

How do I know whether the variable of interest exhibit a statistical significant difference between the groups?

Anova: Single Factor

SUMMARY

Groups

Count

Sum

Average

Variance

Column 1

22

1420318

64559.90909

83671674.28

Column 2

15

1295223

86348.2

72184280.89

Column 3

13

2145812

165062.4615

10933748061

ANOVA

Source of Variation

SS

df

MS

F

P-value

F crit

Between Groups

85073726515

2

42536863258

14.92269054

9.60024E-06

3.19505628

Within Groups

1.33973E+11

47

2850482167

Total

2.19046E+11

49
Math   Statistics-And-Probability   
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Homework Answers

Answer #1

we will check p value

here, p value = 9.60024*10^-06 = 0.00000960024

now let α=0.05 in general

So, if p value < α , then test is significant, otherwise not

here, p value=0.00000960024 <α = 0.05, So, There is a a statistical significant difference between the groups

please revert for doubts and UPVOTE the answer

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