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1000 people (350 less than or equal to 20 years old, and 650 greater than 20 years old) were asked, "Which take-out food do you prefer – junk food or healthy food? The results were:   Junk food Healthy food Ages <= 20 225 125 Ages > 20 350 300                                                                                                  Calculate chi-square Note :       Expected value   is calculated using the following equation Please see the img

1000 people (350 less than or equal to 20 years old, and 650 greater than 20 years old) were asked, "Which take-out food do you prefer – junk food or healthy food? The results were:   Junk food Healthy food Ages <= 20 225 125 Ages > 20 350 300                                                                                                  Calculate chi-square Note :       Expected value   is calculated using the following equation Please see the img

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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1000 people (350 less than or equal to 20 years old, and 650 greater than 20 years old) were asked, "Which take-out food do you prefer – junk food or healthy food?

The results were:

 

Junk food

Healthy food

Ages <= 20

225

125

Ages > 20

350

300

                                                                                                

Calculate chi-square

Note :

      Expected value   is calculated using the following equation

Please see the img

 

1000 people (350 less than or equal to 20 years old, and 650 greater than 20 years old) were asked, "Which take-out food do you prefer - junk food or healthy food? The results were: Calculate chi-square X² Note : eij Ages <= 20 Ages > 20 = 22 225 = 350 Expected value ei; is calculated using the following equation count (a₁) count (bj) Junk food count (rowi) count (column)) n 125 300 Healthy food row total column total overal total
Transcribed Image Text:1000 people (350 less than or equal to 20 years old, and 650 greater than 20 years old) were asked, "Which take-out food do you prefer - junk food or healthy food? The results were: Calculate chi-square X² Note : eij Ages <= 20 Ages > 20 = 22 225 = 350 Expected value ei; is calculated using the following equation count (a₁) count (bj) Junk food count (rowi) count (column)) n 125 300 Healthy food row total column total overal total
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