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 |
= 6 |
= 6 |
= 6 |
= 19 |
= 20 |
= 18 |
= 3 |
= 4 |
= 2 |
Find the variance within the samples i.e. ?
(Roundoff the answer to two decimal digits)
Answer:
Given that:
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 |
Mean = 6 |
Mean = 6 |
Mean = 6 |
= 19 |
= 20 |
= 18 |
= 3 |
= 4 |
= 2 |
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