SOLUTION: Help please.... Below are 3 groupings of data. Run an Analysis of Variance on these, and conclude if there is a statistical difference between the 3 groups. A 13, 16, 14, 16

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Question 138544: Help please....
Below are 3 groupings of data. Run an Analysis of Variance on these, and conclude if there is a statistical difference between the 3 groups.
A 13, 16, 14, 16

B 10, 12 , 11, 12

C 14, 14, 15, 14


Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Below are 3 groupings of data. Run an Analysis of Variance on these, and conclude if there is a statistical difference between the 3 groups.
A 13, 16, 14, 16
B 10, 12 , 11, 12
C 14, 14, 15, 14
----------------------------
Ho: The three means are the same
Ha: At least one of the means is different.
-----------------------
I ran ANOVA on my TI calculator and generated the following:
F = 12.585
p-value = 0.002
df = 2
Conclusion: Since p-value is less than 5%, reject Ho.
At least one of the means is different.
=============================
Cheers,
Stan H.

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