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Attitude toward smaller- napkin idea Receptive Not receptive Total Burger / Sandwich 73 30 103 Type of fast-food restaurant Chinese / Mexican 141 134.93 0.273 69 75.08 0.492 210 Other 43 0 44 0 87 Total 257 143 400

Attitude toward smaller- napkin idea Receptive Not receptive Total Burger / Sandwich 73 30 103 Type of fast-food restaurant Chinese / Mexican 141 134.93 0.273 69 75.08 0.492 210 Other 43 0 44 0 87 Total 257 143 400

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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Attitude toward smaller- napkin idea Receptive Not receptive Total Burger / Sandwich 73 30 103 Type of fast-food restaurant Chinese / Mexican 141 134.93 0.273 69 75.08 0.492 210 Other 43 44 0 87 Total 257 143 400
Transcribed Image Text:Attitude toward smaller- napkin idea Receptive Not receptive Total Burger / Sandwich 73 30 103 Type of fast-food restaurant Chinese / Mexican 141 134.93 0.273 69 75.08 0.492 210 Other 43 44 0 87 Total 257 143 400
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. (Jo-JB)² JE The numbers labeled "Total" are totals for observed frequency. Part 1 (Observed cell frequency - Expected cell frequency)² Expected cell frequency Fill in the missing values in the contingency table. Round your expected frequencies to two or more decimal places, and round your three or more decimal places. (fo-fp)² ƒE values to Espanol OFE
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. (Jo-JB)² JE The numbers labeled "Total" are totals for observed frequency. Part 1 (Observed cell frequency - Expected cell frequency)² Expected cell frequency Fill in the missing values in the contingency table. Round your expected frequencies to two or more decimal places, and round your three or more decimal places. (fo-fp)² ƒE values to Espanol OFE
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