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In testing a claim that the three different samples have the same mean, following sample results...

In testing a claim that the three different samples have the same mean, following sample results have been obtained:

Sample 1

Sample 2

Sample 3

Sample Size (n)

5

5

5

Sample Mean ()

11

12

13

Sample Variance(s2)

2

1

?

If the variance within the samples i.e.(SP)2 = 2 (given), then the missing value of (s3)2 is

3

4

1

6
Math   Statistics-And-Probability   
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