Fill in the missing values in the contingency table. Round your expected frequencies to two or more decimal places, and round your or more decimal places. (fo-JE)² JE values to three
Fill in the missing values in the contingency table. Round your expected frequencies to two or more decimal places, and round your or more decimal places. (fo-JE)² JE values to three
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 9SGR
Related questions
Question
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Transcribed Image Text:Attitude
toward
smaller-
napkin idea
Receptive
Not
receptive
Total
Burger /
Sandwich
52
43
0
95
Type of fast-food restaurant
Chinese /
Mexican
134
127.58
0.323
76
82.43
0.502
210
Other
57
38
0
95
Total
243
157
400
Transcribed Image Text:Fast-food restaurants may be able to decrease yearly expenses simply by decreasing the size of the paper napkins they provide to patrons. Papel Paper
Products is considering pitching the smaller-napkin idea to potential restaurant clients. To determine the receptiveness of different restaurants to the idea,
Papel surveyed 400 fast-food establishments chosen at random, and looked at the data according to two variables: type of fast-food restaurant
("burger/sandwich", "Chinese/Mexican", or "other") and attitude toward the smaller-napkin idea ("receptive" or "not receptive.")
The data are summarized in the contingency table below. Each of the 6 cells of the table contains three numbers: the first number is the observed cell
frequency (f); the second number is the expected cell frequency (f) under the assumption that the two variables type of fast-food restaurant and attitude
toward the smaller-napkin idea are not associated; and the third number is the following value.
(fo-ƒE)²
JE
(Observed cell frequency - Expected cell frequency)²
Expected cell frequency
The numbers labeled "Total" are totals for observed frequency.
Part 1
Fill in the missing values in the contingency table. Round your expected frequencies to two or more decimal places, and round your
or more decimal places.
(Jo-JB)²
JE
values to three
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