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Author Question: Recently, Experian reported that the average credit score for a new-car loan was 753. Suppose ... (Read 158 times)

sarasara

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on: Jun 24, 2018
Recently, Experian reported that the average credit score for a new-car loan was 753.
 
  Suppose Ally Financial, a bank holding company that finances car loans, would like to test the hypothesis that the average credit score has increased since the Experian report. A random sample of 20 new-car loans had an average credit score of 764.2 with a sample standard deviation of 34.5. Ally Financial would like to set  = 0.05. The p-value for this hypothesis test would be between ________.A) 0.01 and 0.025
  B) 0.025 and 0.05
  C) 0.05 and 0.10
  D) 0.10 and 0.20

Question 2

State University offers several sections of a Business Statistics course in an in-class and online format. Both formats are administered the same final exam each year.
 
  You have been assigned to test the hypothesis that the average final exam score of in-class students is different from the average final exam score of online students. The following data summarizes the sample statistics for the final exam scores for students from each format. Assume that the population variances are unequal. In-class Format Online FormatSample mean 86.5 84.7Sample size 22 25Sample standard deviation 4.6 6.1If Population 1 is defined as in-class format and Population 2 is defined as online format, and using  = 0.05, the critical value for this hypothesis test would be ________.A) 2.086
  B) 2.052
  C) 2.015
  D) 2.000
Business Statistics ¦ Donnelly ¦ 2nd Edition
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gstein359

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Reply #1 on: Jun 24, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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sarasara

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

TheDev123

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Reply 3 on: Yesterday
:D TYSM

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