A high school physics teacher wondered if his students in the senior class this year will be more likely PSY230 Miller Spring A 2023 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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
icon
Related questions
Question
Calculate the X² statistic then compare it with the critical value to determine if we will reject or fail to reject the null hypothesis that "There is no difference in the proportion of students that choose STEM, Social Sciences and Liberal Arts"
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 ●
Expert Solution
Step 1

Given that,

The sample size 

n=50

The level of significance

α=0.05

The student chooses the following categories.

STEM=20Social Sciences=20Liberal Arts=10

The test statistics is 

T=f0i2fei-n

foi are observed frequencies

fei are expected frequencies

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning