(ii) Use a 1% level of significance to test whether congressional members of each political party spent designated amounts in the same proportions. (a) What is the level of significance? (b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.) What are the degrees of freedom? Two random samples were drawn from members of the U.S. Congress. One sample was taken from members who are Democrats and the other from members who areRepublicans. For each sample, the number of dollars spent on federal projects in each congressperson's home district was recorded.Dollars Spent on Federal Projectsin Home DistrictsLess than5 to 10More thanPartyRow Total5 BillionBillion10 billionDemocratic6.152445RepublicanColumn Total1022154716373992

a. Level of significance The level of significance is defined as the probability of rejecting a null…

Answered: Two random samples were drawn from…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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(ii) Use a 1% level of significance to test whether congressional members of each political party spent designated amounts in the same proportions.

(a) What is the level of significance?

(b) Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)

What are the degrees of freedom?

Two random samples were drawn from members of the U.S. Congress. One sample was taken from members who are Democrats and the other from members who are
Republicans. For each sample, the number of dollars spent on federal projects in each congressperson's home district was recorded.
Dollars Spent on Federal Projects
in Home Districts
Less than
5 to 10
More than
Party
Row Total
5 Billion
Billion
10 billion
Democratic
6.
15
24
45
Republican
Column Total
10
22
15
47
16
37
39
92

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