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A credt score s uned by cede agencles (wh as mortgage companies and banks)te asses the crediworthiness of individas Val nge from 300 t 50 with a edtscore ver 700 conideed t te aly cred Accordg te a survey the mean credt scere 7075 Aced analyt wondered whother hihincome individuals ncomesi ec high c ndividuals and found the sample an oredit score to be 7257 wthastandard devition of 34 Conduct the appropriate of signiicance vigher cred scres He obaed a nd ane of35 igh income ndid have end s Stte the and temative hypotheses H, gers or dem De not round) dentity thetati Round to teo decimal placs a neded) idently the Pvale Pval Rond to three decimal places an needed) Make a conclsion regarding the hypohesis he hypothes The suficient evidence to claim that the mean ored score of high income individuals is

A credt score s uned by cede agencles (wh as mortgage companies and banks)te asses the crediworthiness of individas Val nge from 300 t 50 with a edtscore ver 700 conideed t te aly cred Accordg te a survey the mean credt scere 7075 Aced analyt wondered whother hihincome individuals ncomesi ec high c ndividuals and found the sample an oredit score to be 7257 wthastandard devition of 34 Conduct the appropriate of signiicance vigher cred scres He obaed a nd ane of35 igh income ndid have end s Stte the and temative hypotheses H, gers or dem De not round) dentity thetati Round to teo decimal placs a neded) idently the Pvale Pval Rond to three decimal places an needed) Make a conclsion regarding the hypohesis he hypothes The suficient evidence to claim that the mean ored score of high income individuals is

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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A credt score is uned by cedt agencies (uch as mortjage comparios and barks) to assess the arediwarthiness of individuah. Vahes range from 300 to 50, with a cedt se ever 700 connidered to te a qity cradit k According to a survey, the mean oredit score is 7075 Acredt analyst wondered whether high income individuals incomes in excse of $100.000 per year) had higher credit scores He obtained a nandom sample of 35 high-incame individaals and found the sample mean oredt score to be 725 7 with a standard deviation of 834. Conduct the appropriate test ta detemine igh income ndvia have higher ed sosat the a0 level of signiticance State the nul and ahomative typatheses (Type intagers or decimal Do not round) Identity the 1-tatistic (Round to two decimal places an needed) dentity the Pvalue Pvale Round to three decimal places an needed ) Makea conclusion regardng the hypothesis the null hypothesis. Thee suficient evidence to claim that the mean credit score of high income individuals is
Transcribed Image Text:A credt score is uned by cedt agencies (uch as mortjage comparios and barks) to assess the arediwarthiness of individuah. Vahes range from 300 to 50, with a cedt se ever 700 connidered to te a qity cradit k According to a survey, the mean oredit score is 7075 Acredt analyst wondered whether high income individuals incomes in excse of $100.000 per year) had higher credit scores He obtained a nandom sample of 35 high-incame individaals and found the sample mean oredt score to be 725 7 with a standard deviation of 834. Conduct the appropriate test ta detemine igh income ndvia have higher ed sosat the a0 level of signiticance State the nul and ahomative typatheses (Type intagers or decimal Do not round) Identity the 1-tatistic (Round to two decimal places an needed) dentity the Pvalue Pvale Round to three decimal places an needed ) Makea conclusion regardng the hypothesis the null hypothesis. Thee suficient evidence to claim that the mean credit score of high income individuals is
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