Part 2 Answer the following to summarize the test of the hypothesis that there is no difference between this year's moving violation distribution and the distribution in a "typical" year. Use the 0.10 level of significance for the test. (a) Determine the type of test statistic to use. Type of test statistic: (Choose one) Zf, Chi-square, ort? degrees of freedom? (b) Find the value of the test statistic. (Round your answer to two or more decimal places.) (c) Find the critical value. (Round your answer to two or more decimal places.) (d) Can we reject the hypothesis that there is no difference between this year's moving violation distribution and the distribution in a "typical" year? ○ Yes No ☑ Auto Wrecks, Inc. sells auto insurance. Auto Wrecks keeps close tabs on its customers' driving records, updating its rates according to the trends indicated by these records. Auto Wrecks' records indicate that, in a "typical" year, roughly 70% of the company's customers do not commit a moving violation, 10% commit exactly one moving violation, 15% commit exactly two moving violations, and 5% commit three or more moving violations. This past year's driving records for a random sample of 150 AutoWrecks customers are summarized by the first row of numbers in the table below. That row gives this year's observed frequency for each moving violation category for the sample of 150 AutoWrecks customers. The second row of numbers gives the frequencies expected for a sample of 150 AutoWrecks customers if the moving violations distribution for this year is the same as the distribution for a "typical" year. The bottom row of numbers contains the following value for each of the moving violation categories. (fo-fE)² JE (Observed frequency - Expected frequency)² Expected frequency Part 1 Fill in the missing values in the table. Round your responses for the expected frequencies to two or more decimal places. Round your (fo-ƒE)² SE responses to three or more decimal places. Send data to Excel Observed No violations Exactly one violation Exactly two violations Three or more violations Total frequency fo 90 18 30 12 150 Expected frequency fE (fo-ƒE)² fE 15.00 22.50 ☐ 2 П 0.600 2.500 ☐
Part 2 Answer the following to summarize the test of the hypothesis that there is no difference between this year's moving violation distribution and the distribution in a "typical" year. Use the 0.10 level of significance for the test. (a) Determine the type of test statistic to use. Type of test statistic: (Choose one) Zf, Chi-square, ort? degrees of freedom? (b) Find the value of the test statistic. (Round your answer to two or more decimal places.) (c) Find the critical value. (Round your answer to two or more decimal places.) (d) Can we reject the hypothesis that there is no difference between this year's moving violation distribution and the distribution in a "typical" year? ○ Yes No ☑ Auto Wrecks, Inc. sells auto insurance. Auto Wrecks keeps close tabs on its customers' driving records, updating its rates according to the trends indicated by these records. Auto Wrecks' records indicate that, in a "typical" year, roughly 70% of the company's customers do not commit a moving violation, 10% commit exactly one moving violation, 15% commit exactly two moving violations, and 5% commit three or more moving violations. This past year's driving records for a random sample of 150 AutoWrecks customers are summarized by the first row of numbers in the table below. That row gives this year's observed frequency for each moving violation category for the sample of 150 AutoWrecks customers. The second row of numbers gives the frequencies expected for a sample of 150 AutoWrecks customers if the moving violations distribution for this year is the same as the distribution for a "typical" year. The bottom row of numbers contains the following value for each of the moving violation categories. (fo-fE)² JE (Observed frequency - Expected frequency)² Expected frequency Part 1 Fill in the missing values in the table. Round your responses for the expected frequencies to two or more decimal places. Round your (fo-ƒE)² SE responses to three or more decimal places. Send data to Excel Observed No violations Exactly one violation Exactly two violations Three or more violations Total frequency fo 90 18 30 12 150 Expected frequency fE (fo-ƒE)² fE 15.00 22.50 ☐ 2 П 0.600 2.500 ☐
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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Question
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Help please. I am extremely confused and do not understand this! Can I get help with all parts please?
Transcribed Image Text:Part 2
Answer the following to summarize the test of the hypothesis that there is no difference between this year's moving violation distribution and
the distribution in a "typical" year. Use the 0.10 level of significance for the test.
(a) Determine the type of test statistic to use.
Type of test statistic: (Choose one)
Zf, Chi-square, ort?
degrees of freedom?
(b) Find the value of the test statistic. (Round your answer to two or more decimal places.)
(c) Find the critical value. (Round your answer to two or more decimal places.)
(d) Can we reject the hypothesis that there is no difference between this year's moving violation
distribution and the distribution in a "typical" year?
○ Yes No
☑
Transcribed Image Text:Auto Wrecks, Inc. sells auto insurance. Auto Wrecks keeps close tabs on its customers' driving records, updating its rates according to the trends
indicated by these records. Auto Wrecks' records indicate that, in a "typical" year, roughly 70% of the company's customers do not commit a
moving violation, 10% commit exactly one moving violation, 15% commit exactly two moving violations, and 5% commit three or more moving
violations.
This past year's driving records for a random sample of 150 AutoWrecks customers are summarized by the first row of numbers in the table below.
That row gives this year's observed frequency for each moving violation category for the sample of 150 AutoWrecks customers. The second row of
numbers gives the frequencies expected for a sample of 150 AutoWrecks customers if the moving violations distribution for this year is the same
as the distribution for a "typical" year. The bottom row of numbers contains the following value for each of the moving violation categories.
(fo-fE)²
JE
(Observed frequency - Expected frequency)²
Expected frequency
Part 1
Fill in the missing values in the table. Round your responses for the expected frequencies to two or more decimal places. Round your
(fo-ƒE)²
SE
responses to three or more decimal places.
Send data to Excel
Observed
No
violations
Exactly one
violation
Exactly two
violations
Three or more
violations
Total
frequency
fo
90
18
30
12
150
Expected
frequency
fE
(fo-ƒE)²
fE
15.00
22.50
☐
2
П
0.600
2.500
☐
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