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7) A food blogger is writing an article about food preferences and how it is related to a persons income level. The blogger surveyed various individuals and recorded their preferred types of fast food. The blogger asserts that there is a relationship between food preference and income level. Is his conjecture correct? Low Income Middle Income High Income Burger 30 25 15 Pizza 288 25 30 20 Fried Chicken 15 25 30 Tacos 30 20 35

7) A food blogger is writing an article about food preferences and how it is related to a persons income level. The blogger surveyed various individuals and recorded their preferred types of fast food. The blogger asserts that there is a relationship between food preference and income level. Is his conjecture correct? Low Income Middle Income High Income Burger 30 25 15 Pizza 288 25 30 20 Fried Chicken 15 25 30 Tacos 30 20 35

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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Can someone please help? Thank you.
7) A food blogger is writing an article about food preferences and how it is related to a persons income level. The blogger surveyed various individuals and recorded their preferred types of fast food. The blogger asserts that there is a relationship between food preference and income level. Is his conjecture correct? Low Income Middle Income High Income Burger 30 25 15 Pizza 25 30 20 Fried Chicken 15 25 30 Tacos 30 20 35
Transcribed Image Text:7) A food blogger is writing an article about food preferences and how it is related to a persons income level. The blogger surveyed various individuals and recorded their preferred types of fast food. The blogger asserts that there is a relationship between food preference and income level. Is his conjecture correct? Low Income Middle Income High Income Burger 30 25 15 Pizza 25 30 20 Fried Chicken 15 25 30 Tacos 30 20 35
Expert Solution
Step 1: Define the formula of the test statistic of chi -square

 The formula of the chi square test statistic is,

 Statistics homework question answer, step 1, image 1

Where,

Oi is the observed frequency and

Ei is the expected frequency.


The formula to find the expected frequency is,

Statistics homework question answer, step 1, image 2


steps

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