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A credit score is used by credit agencies (such as mortgago compares and hanks) to assess the Cied tworth ness of indiv duais. Val ues range from 300 to B50, witha credit score over 700 considured to be a qualty credit nisk According to a survey, the mean credit score is /03.7. A credit analyst wOrdered whether high incomo individuals (incomes in excess of $100,000 per year) had higher credit scores. He obtained a random sample of 41 high-income individuals and found the sample mean credit score lo be 716 9 wth a standard dev ation of 81 9 Conduct the appropriate test to determine t hgh-ncome individuals have higher credit scoros at t'e a-0.05 level ol sigraficance. State the nu ana anernanve nypoineses Ho H1: H (Type intugers or decimals. Do not round) Identify the t-statistic. la- (Round to wo decimal paces as nooded.) Identify the P-value P-value = (Round to throe decimal places as needed.) Make a conclusion regarding thw hypothesis V the null hypothesis. There V Gufficient evidence to ckaim that thecon cred i aUse nd haglinc ore ndvidunis is (LI)

A credit score is used by credit agencies (such as mortgago compares and hanks) to assess the Cied tworth ness of indiv duais. Val ues range from 300 to B50, witha credit score over 700 considured to be a qualty credit nisk According to a survey, the mean credit score is /03.7. A credit analyst wOrdered whether high incomo individuals (incomes in excess of $100,000 per year) had higher credit scores. He obtained a random sample of 41 high-income individuals and found the sample mean credit score lo be 716 9 wth a standard dev ation of 81 9 Conduct the appropriate test to determine t hgh-ncome individuals have higher credit scoros at t'e a-0.05 level ol sigraficance. State the nu ana anernanve nypoineses Ho H1: H (Type intugers or decimals. Do not round) Identify the t-statistic. la- (Round to wo decimal paces as nooded.) Identify the P-value P-value = (Round to throe decimal places as needed.) Make a conclusion regarding thw hypothesis V the null hypothesis. There V Gufficient evidence to ckaim that thecon cred i aUse nd haglinc ore ndvidunis is (LI)

MATLAB: An Introduction with Applications
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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A credit score is used by credit agencies (such as mortgage companies and hanks) to assess the cred tworthi ness of indiv duals. 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 703.7. A credit analyst ondered whether high incomo individuals (incumes in excess of $100,000 per year) had higher credit scores. He oblained a random sample of 41 high-income individuals and found the sample mean credit score to be 716 9 wth a standard dev ation of 81 9 Conduct the appropriate test to determine it high-income individuals have higher credit scores at t'we u=0.05 level of sigrificance. State the nun ana aiternarive nypoineses Hn: H1: H (lype integers or decimals. Do not round.) Identify the t-statistic. to = (Round t0 wo decimal places as needed.) Identify the P-value P-value = (Round to three decimal places as needed.) Make a conclusion regarding the hypothesis. V the null hypothesis. There V sufficient evidence to claim that the con cred 1 sUore nf high-inc ome ndividunls is (1.1) Next Statcrunch VO 11:29
Transcribed Image Text:A credit score is used by credit agencies (such as mortgage companies and hanks) to assess the cred tworthi ness of indiv duals. 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 703.7. A credit analyst ondered whether high incomo individuals (incumes in excess of $100,000 per year) had higher credit scores. He oblained a random sample of 41 high-income individuals and found the sample mean credit score to be 716 9 wth a standard dev ation of 81 9 Conduct the appropriate test to determine it high-income individuals have higher credit scores at t'we u=0.05 level of sigrificance. State the nun ana aiternarive nypoineses Hn: H1: H (lype integers or decimals. Do not round.) Identify the t-statistic. to = (Round t0 wo decimal places as needed.) Identify the P-value P-value = (Round to three decimal places as needed.) Make a conclusion regarding the hypothesis. V the null hypothesis. There V sufficient evidence to claim that the con cred 1 sUore nf high-inc ome ndividunls is (1.1) Next Statcrunch VO 11:29
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