You would like to test the claim that the variance of a normally distributed population is more

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You would like to test the claim that the variance of a normally distributed population is more than 2 squared units. You draw a random sample of 10 observations as 2, 4, 1, 3, 2, 5, 2, 6, 1, 4. At α = 0.10, test the claim using
(a) The p-value approach and
(b) The critical value approach.
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