Construct the confidence interval for the population variance for the given values. Round your answers to...

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Construct the confidence interval for the population variance for the given values. Round your answers to...

Construct the confidence interval for the population variance for the given values. Round your answers to one decimal place. n=13 , s2=9.8, and c=0.98

math Statistics-And-Probability

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Answer 1

Answer #1

s² = 9.8

n = 13

α = 1-0.98 = 0.02

Critical value, χ²α/2 = CHISQ.INV.RT(0.02/2, 12) = 26.2170

Critical value, χ²1-α/2 = CHISQ.INV.RT(1-0.02/2, 12) = 3.5706

98% Confidence interval for population variance :

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Answer 2

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