pop n₁ = n₂ = 70, X₁ = 125.1, X₂ = 123.4, S₁ = 5.9, S₂ = 6.9 nd a point estimate for the difference in the population means. .7 onstruct a 95% confidence interval for the difference in the population means (₁-₂). (Round your answers to two decimal places.) X to X given below. alculate the margin of error. (Round your answer to two decimal places.) X

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Independent random samples were selected from two quantitative populations, with sample sizes, means, and standard deviations given below.

\( n_1 = n_2 = 70, \quad \bar{x}_1 = 125.1, \quad \bar{x}_2 = 123.4, \quad s_1 = 5.9, \quad s_2 = 6.9 \)

1. Construct a 95% confidence interval for the difference in the population means (\(\mu_1 - \mu_2\)). (Round your answers to two decimal places.)

   [Answer Box]  ✗  to  [Answer Box]  ✗

2. Find a point estimate for the difference in the population means.

   [1.7]  ✓

3. Calculate the margin of error. (Round your answer to two decimal places.)

   [Answer Box]  ✗
Transcribed Image Text:Independent random samples were selected from two quantitative populations, with sample sizes, means, and standard deviations given below. \( n_1 = n_2 = 70, \quad \bar{x}_1 = 125.1, \quad \bar{x}_2 = 123.4, \quad s_1 = 5.9, \quad s_2 = 6.9 \) 1. Construct a 95% confidence interval for the difference in the population means (\(\mu_1 - \mu_2\)). (Round your answers to two decimal places.) [Answer Box] ✗ to [Answer Box] ✗ 2. Find a point estimate for the difference in the population means. [1.7] ✓ 3. Calculate the margin of error. (Round your answer to two decimal places.) [Answer Box] ✗
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