1) A researcher is interested in studying if a higher percentage of male sailors smoke then female sailors. She collects a sample of 200 male sailors, and finds that 125 of them smoke. She collects a sampleof 150 female smokers and finds that 56% of the, smoke. Answer the following question to test her claim with a 5% significance level.a) Mean or proportions?_b) Which Distribution will you use?How do you know?Why?Fill in the following chart with the values given in the problem:NotationValueWrite the following in symbols:n1Ho:n2Hạ:Use Chart/ Technology as necessary to find the following:Critical Value(s):X1X2Test Statistic:p-value:Initial Conclusion: Reject Null hypothesis/ Fail to reject null hypothesis (Circle one)Clearly Identify CV(s), TS, p-value, and rejection region.Formal Conclusion (What does the result tell you about the populations):

Given a sample of 200 male sailors, in which 125 of them smoke and a sample of 150 female sailors,…

1) A researcher is interested in studying if a higher percentage of male sailors smoke then female sailors. She collects a sample of 200 male sailors, and finds that 125 of them smoke. She collects a sample of 150 female smokers and finds that 56% of the, smoke. Answer the following question to test her claim with a 5% significance level. a) Mean or proportions? b) Which Distribution will you use? Fill in the following chart with the values given in the problem: How do you know? Why? Notation Value Write the following in symbols: Ho: n2 H,: Use Chart/ Technology as necessary to find the following: Critical Value(s): X1 X2 Test Statistic: p-value: Initial Conclusion: Reject Null hypothesis/ Fail to reject null hypothesis (Circle one) Clearly Identify CV(s), TS, p-value, and rejection region. Formal Conclusion (What does the result tell you about the populations):

1) A researcher is interested in studying if a higher percentage of male sailors smoke then female sailors. She collects a sample of 200 male sailors, and finds that 125 of them smoke. She collects a sample of 150 female smokers and finds that 56% of the, smoke. Answer the following question to test her claim with a 5% significance level. a) Mean or proportions? b) Which Distribution will you use? Fill in the following chart with the values given in the problem: How do you know? Why? Notation Value Write the following in symbols: Ho: n2 H,: Use Chart/ Technology as necessary to find the following: Critical Value(s): X1 X2 Test Statistic: p-value: Initial Conclusion: Reject Null hypothesis/ Fail to reject null hypothesis (Circle one) Clearly Identify CV(s), TS, p-value, and rejection region. Formal Conclusion (What does the result tell you about the populations):

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

1) A researcher is interested in studying if a higher percentage of male sailors smoke then female sailors. She collects a sample of 200 male sailors, and finds that 125 of them smoke. She collects a sample
of 150 female smokers and finds that 56% of the, smoke. Answer the following question to test her claim with a 5% significance level.
a) Mean or proportions?_
b) Which Distribution will you use?
How do you know?
Why?
Fill in the following chart with the values given in the problem:
Notation
Value
Write the following in symbols:
n1
Ho:
n2
Hạ:
Use Chart/ Technology as necessary to find the following:
Critical Value(s):
X1
X2
Test Statistic:
p-value:
Initial Conclusion: Reject Null hypothesis/ Fail to reject null hypothesis (Circle one)
Clearly Identify CV(s), TS, p-value, and rejection region.
Formal Conclusion (What does the result tell you about the populations):

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