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What are the variables, what scale of measurement is each variable (nominal,ordinal,or continuous). Then state the null and alternative hypothesis in words.

What are the variables, what scale of measurement is each variable (nominal,ordinal,or continuous). Then state the null and alternative hypothesis in words.

MATLAB: An Introduction with Applications
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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What are the variables, what scale of measurement is each variable (nominal,ordinal,or continuous). Then state the null and alternative hypothesis in words.
A high school physics teacher wondered if his students in the senior class this year will be more likely PSY230 Miller to go into STEM (Science, Technology, Engineering, Mathematics) majors than Social Science and Liberal Arts majors. He asked each of his 50 students about their first choice for major on their college applications and conducted a Chi-square test for goodness of fit with an alpha level of .05 to see if the number of students choosing each category differs significantly. 20 - STEM 20 - Social Sciences 10- Liberal Arts ● Spring A 2023 ●
Transcribed Image Text:A high school physics teacher wondered if his students in the senior class this year will be more likely PSY230 Miller to go into STEM (Science, Technology, Engineering, Mathematics) majors than Social Science and Liberal Arts majors. He asked each of his 50 students about their first choice for major on their college applications and conducted a Chi-square test for goodness of fit with an alpha level of .05 to see if the number of students choosing each category differs significantly. 20 - STEM 20 - Social Sciences 10- Liberal Arts ● Spring A 2023 ●
Q3) Chi-Square Test for Independence This question is an extension from Q2 above. The high school teacher was also interested in whether there is a gender difference in terms of the student's choice of majors. So he broke the data down by gender in the following table and conducted a Chi-square test for independence with a = .05. Type of Major STEM Social Sciences Liberal Arts Female 8 10 8 Male 12 10 D Total 20 20 10 a. What are the variables in this analysis? What scale of measurement is each variable (nominal, ordinal, or continuous)?
Transcribed Image Text:Q3) Chi-Square Test for Independence This question is an extension from Q2 above. The high school teacher was also interested in whether there is a gender difference in terms of the student's choice of majors. So he broke the data down by gender in the following table and conducted a Chi-square test for independence with a = .05. Type of Major STEM Social Sciences Liberal Arts Female 8 10 8 Male 12 10 D Total 20 20 10 a. What are the variables in this analysis? What scale of measurement is each variable (nominal, ordinal, or continuous)?
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