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Random samples were selected from three populations. The data obtained are shown below. Please note that the sample sizes are not equal.

 

Treatment 1

Treatment 2

Treatment 3

37

43

28

33

39

32

36

35

33

38

38

 
 

40

 


 

a.Compute the overall mean.
b.At 95% confidence using the critical value and p-value approach, test to see if there is a significant difference among the means.

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Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
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jay2013jay2013
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This calls for a celebration Person Raising Both Hands in Celebration
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Smart ... Thanks!
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