Question

In constructing a 95% interval estimate for the ratio of two population variances, ??²/??², two independent samples of sizes 41 and 61 are drawn from the populations. If the sample variances are 515 and 920, then the upper confidence limit is about: 0.974. 0.321. 0.322. 1.008.

          In constructing a 95% interval estimate for the ratio of two population variances, ??²/??², two independent samples of sizes 41 and 61 are drawn from the populations. If the sample variances are 515 and 920, then the upper confidence limit is about:
0.974.
0.321.
0.322.
1.008.

In constructing a 95% interval estimate for the ratio of two population variances, ??²/??², two independent samples of sizes 41 and 61 are drawn from the populations. If the sample variances are 515 and 920, then the upper confidence limit is about:
0.974.
0.321.
0.322.
1.008.

Added by Alba M.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Qudsiya Anis

04/09/2022

Step 1

Step 1: Calculate the degrees of freedom for the first sample: \(df_1 = 41 - 1 = 40\) Show more…

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In constructing a 95% interval estimate for the ratio of two population variances, σ₁²/σ₂², two independent samples of sizes 41 and 61 are drawn from the populations. If the sample variances are 515 and 920, then the upper confidence limit is about: 0.974. 0.321. 0.322. 1.008.