A1fx -(Use race data) Independent simple random samples of four regions gave the data on race asshown in the table. At the 1% significance level, do the data provide sufficient evidence toconclude that a difference exists in race distributions among the four regions?State the null and alternate hypotheses.2.AВCD1WhiteBlackOtherа.Northeast98206.Midwest121136South168425b.Find the value of the chi-square statistic for the sample. (Round to three decimal places.)5West116157C.Find the P-value of the sample test statistic. (Round to four decimal places.)89.10d. Interpret your conclusion in the context of the application.111213е.Insert your R output here:141516

Four regions gave the data on race as shown in the table. White Black Other Northeast 98 20 6…

2. (Use race data) Independent simple random samples of four regions gave the data on race as shown in the table. At the 1% significance level, do the data provide sufficient evidence to conclude that a difference exists in race distributions among the four regions? B D 1 White Black Other a. State the null and alternate hypotheses. 2 Northeast 98 20 6 3 Midwest 121 13 South 168 42 5 b. Find the value of the chi-square statistic for the sample. (Round to three decimal places.) 5 West 116 6 15 6 7 c. Find the P-value of the sample test statistic. (Round to four decimal places.) 8 9 10 d. Interpret your conclusion in the context of the application. 11 12 13 е. Insert your R output here: 14 15

2. (Use race data) Independent simple random samples of four regions gave the data on race as shown in the table. At the 1% significance level, do the data provide sufficient evidence to conclude that a difference exists in race distributions among the four regions? B D 1 White Black Other a. State the null and alternate hypotheses. 2 Northeast 98 20 6 3 Midwest 121 13 South 168 42 5 b. Find the value of the chi-square statistic for the sample. (Round to three decimal places.) 5 West 116 6 15 6 7 c. Find the P-value of the sample test statistic. (Round to four decimal places.) 8 9 10 d. Interpret your conclusion in the context of the application. 11 12 13 е. Insert your R output here: 14 15

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

A1
fx -
(Use race data) Independent simple random samples of four regions gave the data on race as
shown in the table. At the 1% significance level, do the data provide sufficient evidence to
conclude that a difference exists in race distributions among the four regions?
State the null and alternate hypotheses.
2.
A
В
C
D
1
White
Black
Other
а.
Northeast
98
20
6.
Midwest
121
13
6
South
168
42
5
b.
Find the value of the chi-square statistic for the sample. (Round to three decimal places.)
5
West
116
15
7
C.
Find the P-value of the sample test statistic. (Round to four decimal places.)
8
9.
10
d. Interpret your conclusion in the context of the application.
11
12
13
е.
Insert your R output here:
14
15
16

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