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
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
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] ✗
Expert Solution
steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman