I just need help with the last part. expected frequency for category i, and k is the number of categories. The appropriate x has k - 1 degrees offreedom.x? =i = 1e;The observed and expected frequencies are summarized in the table below.Squared Difference Dividedby Expected Frequency(f, - e)ObservedExpectedFrequencySquaredDifferenceDifferenceCategoryFrequencyfj- eijeij(-60)23,60020 - 80 =3,600A20804545-6080400B1008020A 4005 V54080401,6004040The sum of the final column will be the x test statistic. Thus, the test statistic is x = 9090There are k = 3 categories, so the degrees of freedom is k - 1 = 2Step 3This type of test will always be an upper tail test. Use technology to find the p-value for x? = 90 with 2degrees of freedom, rounding the result to four decimal places.p-value =SubmitSkip (you cannot come back)

Given: Test statistic = 90 Degree of freedom = 2

Answered: I just need help with the last part.

Business

Economics

I just need help with the last part.

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Question

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I just need help with the last part.

expected frequency for category i, and k is the number of categories. The appropriate x has k - 1 degrees of
freedom.
x? =
i = 1
e;
The observed and expected frequencies are summarized in the table below.
Squared Difference Divided
by Expected Frequency
(f, - e)
Observed
Expected
Frequency
Squared
Difference
Difference
Category
Frequency
fj- eij
eij
(-60)2
3,600
20 - 80 =
3,600
A
20
80
45
45
-60
80
400
B
100
80
20
A 400
5 V
5
40
80
40
1,600
40
40
The sum of the final column will be the x test statistic. Thus, the test statistic is x = 90
90
There are k = 3 categories, so the degrees of freedom is k - 1 = 2
Step 3
This type of test will always be an upper tail test. Use technology to find the p-value for x? = 90 with 2
degrees of freedom, rounding the result to four decimal places.
p-value =
Submit
Skip (you cannot come back)

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