Author Question: Construct a 98% confidence interval on the ratio of population variances based on the following ... (Read 10 times)

amymoore · **on:** Feb 26, 2023

Question 1

Concerning the statement of the null hypothesis,\(\style{font-family:Times New Roman;}{H_0:\mu_1-\mu_2=\Delta_0}\),\(\style{font-family:Times New Roman;}{\Delta_0}\)is always:

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equal to 0.

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greater than 0.

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less than 0.

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some fixed real number.

Question 2

Construct a 98% confidence interval on the ratio of population variances based on the following samples from two normally distributed populations.

\(\style{font-family:Times New Roman;}{n_1=12,\;s_1^2=851}\)

\(\style{font-family:Times New Roman;}{n_2=12,\;s_2^2=722}\)

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(0.2585, 4.4790)

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(0.3102, 4.4790)

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(0.2643, 5.2569)

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(0.2585, 5.3747)

ryanb · **Reply #1 on:** Feb 26, 2023

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