In a study, a random sample of community college students was asked whether they bought fast food at least one to two times per week. The data are reported by gender in the table. Complete parts a through e. Buy fast food at least 1-2 times weekly Yes Females Males 137 85 No 164 54 a. Find the row, column, and grand totals, and prepare a table showing these values as well as the counts given. Buy fast food at least 1-2 times weekly Females Males Total Yes 137 85 No 164 54 Total (Simplify your answers.) b. Find the percentage of students overall who buy fast food at least one to two times weekly. (Round to one decimal place as needed.) c. Find the expected number who buy fast food at least one to two times weekly for each gender. The expected numbers are females and males. (Round to two decimal places as needed.) d. Find the expected number who did not buy fast food at least one to two times weekly for each gender. The expected numbers are females and males. (Round to two decimal places as needed.)
In a study, a random sample of community college students was asked whether they bought fast food at least one to two times per week. The data are reported by gender in the table. Complete parts a through e. Buy fast food at least 1-2 times weekly Yes Females Males 137 85 No 164 54 a. Find the row, column, and grand totals, and prepare a table showing these values as well as the counts given. Buy fast food at least 1-2 times weekly Females Males Total Yes 137 85 No 164 54 Total (Simplify your answers.) b. Find the percentage of students overall who buy fast food at least one to two times weekly. (Round to one decimal place as needed.) c. Find the expected number who buy fast food at least one to two times weekly for each gender. The expected numbers are females and males. (Round to two decimal places as needed.) d. Find the expected number who did not buy fast food at least one to two times weekly for each gender. The expected numbers are females and males. (Round to two decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question

Transcribed Image Text:In a study, a random sample of community college students was asked whether they bought fast food at least one to two times per week. The data are reported by gender in the
table. Complete parts a through e.
Buy fast food at least 1-2 times weekly
Females
Males
Yes
137
85
No
164
54
a. Find the row, column, and grand totals, and prepare a table showing these values as well as the counts given.
Buy fast food at least 1-2 times weekly
Females
Males
Total
Yes
137
85
No
164
54
Total
(Simplify your answers.)
b. Find the percentage of students overall who buy fast food at least one to two times weekly.
7%
(Round to one decimal place as needed.)
c. Find the expected number who buy fast food at least one to two times weekly for each gender.
The expected numbers are females and
males.
(Round to two decimal places as needed.)
d. Find the expected number who did not buy fast food at least one to two times weekly for each gender.
The expected numbers are females and
(Round to two decimal places as needed.)
males.

Transcribed Image Text:e. Calculate the observed value of the chi-square statistic.
x = (Round to two decimal places as needed.)
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman