Using data from an actual study thát looked at the pulse rate for nearly 800 people to see whether it is plausible that men and women have the same population mean. Data from this study are displayed below. Two-Sample T: CI Sample N Mean StDev Women 384 76.3 12.8 Men 372 72.1 13.0 a) Assuming the conditions for a two-sample confidence interval are met, use your calculator to find a 95% confidence interval for the difference between the two means. As part of your answer, write what you typed into your calculator. b) Does the interval capture O? Explain what this means in the context of the problem.
Using data from an actual study thát looked at the pulse rate for nearly 800 people to see whether it is plausible that men and women have the same population mean. Data from this study are displayed below. Two-Sample T: CI Sample N Mean StDev Women 384 76.3 12.8 Men 372 72.1 13.0 a) Assuming the conditions for a two-sample confidence interval are met, use your calculator to find a 95% confidence interval for the difference between the two means. As part of your answer, write what you typed into your calculator. b) Does the interval capture O? Explain what this means in the context of the problem.
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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Transcribed Image Text:Using data from an actual study thát looked at the pulse rate for nearly 800 people
to see whether it is plausible that men and women have the same population mean.
Data from this study are displayed below.
Two-Sample T: CI
Sample
N
Mean
StDev
Women
384
76.3
12.8
Men
372
72.1
13.0
a) Assuming the conditions for a two-sample confidence interval are met, use your
calculator to find a 95% confidence interval for the difference between the two
means. As part of your answer, write what you typed into your calculator.
b) Does the interval capture O? Explain what this means in the context of the
problem.
Expert Solution
Step 1
Part a:
To compute the 95% confidence interval for the difference between the two means using the Ti-83 calculator the step by step procedure is,
- Click Stat on calculator
- Select Tests > then select 0: 2-SampTInt…. And click Enter.
- Select Stats > Enter the values as given in the calculator as below,
- Then select calculate and click Enter.
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