A sample of 16 items provides a sample standard deviation of 9.5. Test the following hypotheses...

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A sample of 16 items provides a sample standard deviation of 9.5. Test the following hypotheses using a 0.05. What is your co

math Statistics-And-Probability

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Answer 1

Answer #1

Test statistic,
Χ^2 = (n-1)*s^2/σ^2
Χ^2 = (16 - 1)*90.25/50
Χ^2 = 27.075

This is right tailed test, for α = 0.05 and df = 15
Critical value of Χ^2 is 24.996

test statistic > 24.996
test statistic < NONE

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Answer 2

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