A credit score is used by credit agencies (such as mortgage companies and banks) to assess the creditworthiness of individuals. Values range from 300 to 850, with a credit score over 700 considered to be a quality credit risk. According to a survey, the mean credit score is 707.6. A credit analyst wondered whether high-income individuals (incomes in excess of $100,000 per year) had higher credit scores. He obtained a random sample of 43 high-income individuals and found the sample mean credit score to be 718.3 with a standard deviation of 83.1. Conduct the appropriate test to determine if high-income individuals have higher credit scores at the a= 0.05 level of significance. Click the icon to view the table of critical t-values. State the null and alternative hypotheses. Fill in the correct answers below. Ho: P H₂: H (Type integers or decimals. Do not round.) Identify the t-statistic. to=(Round to two decimal places as needed.) Approximate the P-value. The P-value is in the range Make a conclusion regarding the hypothesis. the null hypothesis. There sufficient evidence to conclude that the mean credit score of n
A credit score is used by credit agencies (such as mortgage companies and banks) to assess the creditworthiness of individuals. Values range from 300 to 850, with a credit score over 700 considered to be a quality credit risk. According to a survey, the mean credit score is 707.6. A credit analyst wondered whether high-income individuals (incomes in excess of $100,000 per year) had higher credit scores. He obtained a random sample of 43 high-income individuals and found the sample mean credit score to be 718.3 with a standard deviation of 83.1. Conduct the appropriate test to determine if high-income individuals have higher credit scores at the a= 0.05 level of significance. Click the icon to view the table of critical t-values. State the null and alternative hypotheses. Fill in the correct answers below. Ho: P H₂: H (Type integers or decimals. Do not round.) Identify the t-statistic. to=(Round to two decimal places as needed.) Approximate the P-value. The P-value is in the range Make a conclusion regarding the hypothesis. the null hypothesis. There sufficient evidence to conclude that the mean credit score of n
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![A credit score is used by credit agencies (such as mortgage companies and banks) to assess the creditworthiness of
individuals. Values range from 300 to 850, with a credit score over 700 considered to be a quality credit risk. According
to a survey, the mean credit score is 707.6. A credit analyst wondered whether high-income individuals (incomes in
excess of $100,000 per year) had higher credit scores. He obtained a random sample of 43 high-income individuals and
found the sample mean credit score to be 718.3 with a standard deviation of 83.1. Conduct the appropriate test to
determine if high-income individuals have higher credit scores at the a= 0.05 level of significance.
Click the icon to view the table of critical t-values.
State the null and alternative hypotheses. Fill in the correct answers below.
Hồn
H₁: H
(Type integers or decimals. Do not round.)
Identify the t-statistic.
to=(Round to two decimal places as needed.)
Approximate the P-value.
The P-value is in the range
Make a conclusion regarding the hypothesis.
the null hypothesis. There
sufficient evidence to conclude that the mean credit score of
na](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feb2d3d62-e710-47e3-a791-094a3e8e4c6b%2F83a7ec13-0dfc-4722-b4f6-e86fc4cb6bc8%2Fxzvz5gq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A credit score is used by credit agencies (such as mortgage companies and banks) to assess the creditworthiness of
individuals. Values range from 300 to 850, with a credit score over 700 considered to be a quality credit risk. According
to a survey, the mean credit score is 707.6. A credit analyst wondered whether high-income individuals (incomes in
excess of $100,000 per year) had higher credit scores. He obtained a random sample of 43 high-income individuals and
found the sample mean credit score to be 718.3 with a standard deviation of 83.1. Conduct the appropriate test to
determine if high-income individuals have higher credit scores at the a= 0.05 level of significance.
Click the icon to view the table of critical t-values.
State the null and alternative hypotheses. Fill in the correct answers below.
Hồn
H₁: H
(Type integers or decimals. Do not round.)
Identify the t-statistic.
to=(Round to two decimal places as needed.)
Approximate the P-value.
The P-value is in the range
Make a conclusion regarding the hypothesis.
the null hypothesis. There
sufficient evidence to conclude that the mean credit score of
na
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