The following results come from two independent random samples taken of two populations. Sample 1 n₁ = 50 = 13.6 Sample 2 "2 = 25 X₂ = 11.6 0₂ = 3 (a) What is the point estimate of the difference between the two population means? (Use x₁ - x₂.) %1 = 2.5 (b) Provide a 90% confidence interval for the difference between the two population means. (Use X₁ X₂. Round your answers to two decimal places.) to (c) Provide a 95% confidence interval for the difference between the two population means. (Use ₁ - X₂. Round your answers to two decimal places.) to
The following results come from two independent random samples taken of two populations. Sample 1 n₁ = 50 = 13.6 Sample 2 "2 = 25 X₂ = 11.6 0₂ = 3 (a) What is the point estimate of the difference between the two population means? (Use x₁ - x₂.) %1 = 2.5 (b) Provide a 90% confidence interval for the difference between the two population means. (Use X₁ X₂. Round your answers to two decimal places.) to (c) Provide a 95% confidence interval for the difference between the two population means. (Use ₁ - X₂. Round your answers to two decimal places.) to
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question 1
Transcribed Image Text:You may need to use the appropriate appendix table or technology to answer this question.
The following results come from two independent random samples taken of two populations.
Sample 1
1 = 50
X₁ = 13.6
= 2.5
Sample 2
to
2 = 25
x₂ = 11.6
°1
(a) What is the point estimate of the difference between the two population means? (Use X₁ − ×2.)
to
°2
= 3
(b) Provide a 90% confidence interval for the difference between the two population means. (Use X₁ X₂. Round your answers to two decimal places.)
(c) Provide a 95% confidence interval for the difference between the two population means. (Use x₁ − ×₂. Round your answers to two decimal places.)
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