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Author Question: A key metric in the cell phone industry is average revenue per user (ARPU) which represents the ... (Read 99 times)

jazziefee

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on: Jun 24, 2018
A key metric in the cell phone industry is average revenue per user (ARPU) which represents the average dollar amount that a customer spends per store visit. Recently, AT&T reported their ARPU was 67.81.
 
  Suppose the standard deviation for this population is 18.45. What is the probability that the ARPU will be between 62 and 66 from a random sample of 35 customers?A) 0.2496
  B) 0.3553
  C) 0.4470
  D) 0.5619

Question 2

The Wilcoxon rank-sum test is a nonparametric procedure that determines whether two populations have the same probability distribution based on evidence from two independent samples.
 
  Indicate whether the statement is true or false
Business Statistics ¦ Donnelly ¦ 2nd Edition
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tranoy

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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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jazziefee

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Reply #2 on: Jun 24, 2018
Thank you :)


tranoy

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Reply #3 on: Jun 24, 2018
Happy to help you


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