Question

Assume simple random sampling. Calculate the 95% confidence interval estimate for the population mean for each of the following. a. N equals 1600; n equals 70; s equals 9; x̄ equals 142 b. N equals 1825; n equals 90; s^2 equals 64; x̄ equals 232.7 c. N equals 3200; n equals 150; s^2 equals 121; x̄ equals 59.2

Name: assume simple random sampling calculate the 95 confidence interval estimate for the population mean for each of the following n equal 1600 n equals 70 s equals 9 x overbar x equals 142 b nbs 93553
Uploaded: 2023-06-26T19:47:33-08:00
Duration: 1 min 34 s
Channel: Adi S
Description: assume simple random sampling calculate the 95 confidence interval estimate for the population mean for each of the following n equal 1600 n equals 70 s equals 9 x overbar x equals 142 b nbs 93553

          Assume simple random sampling. Calculate the 95% confidence interval estimate for the population mean for each of the following. a. N equals 1600; n equals 70; s equals 9; x̄ equals 142 b. N equals 1825; n equals 90; s^2 equals 64; x̄ equals 232.7 c. N equals 3200; n equals 150; s^2 equals 121; x̄ equals 59.2

Added by Sherry H.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Adi S

06/26/2023

Step 1

For the first scenario, we can use the formula: CI = x̄ ± z*(s/√n) where x̄ is the sample mean, s is the sample standard deviation, n is the sample size, and z is the z-score corresponding to the desired confidence level (in this case, 95%). Plugging in the Show more…

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Assume simple random sampling. Calculate the 95% confidence interval estimate for the population mean for each of the following. a. N equals 1600; n equals 70; s equals 9; x̄ equals 142 b. N equals 1825; n equals 90; s^2 equals 64; x̄ equals 232.7 c. N equals 3200; n equals 150; s^2 equals 121; x̄ equals 59.2