Is there evidence of a difference in the proportion of male and female students who smoke among all students at this university? What is the parameter of interest? Single Proportion, Single Mean, Difference in Proportions, Difference in Independent Means, Mean Difference (matched pairs),  What type(s) of variables? One Quantitative One Categorical One Quantitative and One Categorical Two Categorical What conditions need to be checked? what is the formula for the correct Confidence Interval or Test Statistic? Define each variable in the formula and give its value.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Is there evidence of a difference in the proportion of male and female students who smoke among all students at this university?

What is the parameter of interest?

  • Single Proportion,
  • Single Mean,
  • Difference in Proportions,
  • Difference in Independent Means,
  • Mean Difference (matched pairs), 

What type(s) of variables?

  • One Quantitative
  • One Categorical
  • One Quantitative and One Categorical
  • Two Categorical

What conditions need to be checked?

what is the formula for the correct Confidence Interval or Test Statistic?

Define each variable in the formula and give its value.

Sex \ Smoke
M
F
Total
Proportions Row Column Overall
No
166
153
319
Yes
27
16
43
Total
193
169
362
Transcribed Image Text:Sex \ Smoke M F Total Proportions Row Column Overall No 166 153 319 Yes 27 16 43 Total 193 169 362
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