Matrimony Monthly is a top-selling magazine that provides information for couples thinking about marriage Over the years, writers for the magazine have researched just about everything there is to research about weddings. The popular conception at the magazine has been that roughly 50% of first weddings take place indoors in a church, 30% take place indoors in a building other than a church, and 20% take place outdoor This past week, the magazine examined a random sample of 240 first weddings and found the distribution given by the first row of numbers in the table below. (This row contains the frequencies observed in their sample of 240.) The second row of numbers gives the frequencies expected under the hypothesis that the popular conception at the magazine is correct. The bottom row of numbers contains the following value f each of the wedding location categories. fo-fE) (Observed frequency -Expected frequency ) fE Expected frequency II responses to three or more decimal places. unour Send data to Excel In a Indoors but not in a church church Outdoors Total Observed frequency 128 74 38 240 of Expected frequency 120 72.00 0.533 0.056 2.0833 Part 2 Answer the following to summarize the test of the hypothesis that the actual distribution of first locations matches the distribution in the magazine's popular conception. Use the 0.05 level of sig che test. (a) Determine the type of test statistic to use. Degrees of freedom:| Type of test statistic: Chi-square (b) Find the value of the test statistic. (Round your answer to two or more decimal places.) 2.67 (c) Find the critical value. (Round your answer to two or more decimal places.) (d) Can we conclude that the actual distribution of location of first weddings is different from the distribution in the magazine's popular conception? OYes ONo
Matrimony Monthly is a top-selling magazine that provides information for couples thinking about marriage Over the years, writers for the magazine have researched just about everything there is to research about weddings. The popular conception at the magazine has been that roughly 50% of first weddings take place indoors in a church, 30% take place indoors in a building other than a church, and 20% take place outdoor This past week, the magazine examined a random sample of 240 first weddings and found the distribution given by the first row of numbers in the table below. (This row contains the frequencies observed in their sample of 240.) The second row of numbers gives the frequencies expected under the hypothesis that the popular conception at the magazine is correct. The bottom row of numbers contains the following value f each of the wedding location categories. fo-fE) (Observed frequency -Expected frequency ) fE Expected frequency II responses to three or more decimal places. unour Send data to Excel In a Indoors but not in a church church Outdoors Total Observed frequency 128 74 38 240 of Expected frequency 120 72.00 0.533 0.056 2.0833 Part 2 Answer the following to summarize the test of the hypothesis that the actual distribution of first locations matches the distribution in the magazine's popular conception. Use the 0.05 level of sig che test. (a) Determine the type of test statistic to use. Degrees of freedom:| Type of test statistic: Chi-square (b) Find the value of the test statistic. (Round your answer to two or more decimal places.) 2.67 (c) Find the critical value. (Round your answer to two or more decimal places.) (d) Can we conclude that the actual distribution of location of first weddings is different from the distribution in the magazine's popular conception? OYes ONo
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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Transcribed Image Text:Matrimony Monthly is a top-selling magazine that provides information for couples thinking about marriage
Over the years, writers for the magazine have researched just about everything there is to research about
weddings. The popular conception at the magazine has been that roughly 50% of first weddings take place
indoors in a church, 30% take place indoors in a building other than a church, and 20% take place outdoor
This past week, the magazine examined a random sample of 240 first weddings and found the distribution
given by the first row of numbers in the table below. (This row contains the frequencies observed in their
sample of 240.) The second row of numbers gives the frequencies expected under the hypothesis that the
popular conception at the magazine is correct. The bottom row of numbers contains the following value f
each of the wedding location categories.
fo-fE) (Observed frequency -Expected frequency )
fE
Expected frequency
II
Transcribed Image Text:responses to three or more decimal places.
unour
Send data to Excel
In a
Indoors but not in a
church
church
Outdoors
Total
Observed
frequency
128
74
38
240
of
Expected
frequency
120
72.00
0.533
0.056
2.0833
Part 2
Answer the following to summarize the test of the hypothesis that the actual distribution of first
locations matches the distribution in the magazine's popular conception. Use the 0.05 level of sig
che test.
(a) Determine the type of test statistic to use.
Degrees of freedom:|
Type of test statistic: Chi-square
(b) Find the value of the test statistic. (Round your answer to two or more decimal
places.)
2.67
(c) Find the critical value. (Round your answer to two or more decimal places.)
(d) Can we conclude that the actual distribution of location of first weddings is
different from the distribution in the magazine's popular conception?
OYes ONo
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