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Author Question: Zappos is an online retailer based in Nevada and employs 1,300 employees. One of their competitors, ... (Read 107 times)

Jipu 123

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on: Jun 24, 2018
Zappos is an online retailer based in Nevada and employs 1,300 employees. One of their competitors, Amazon.com, would like to test the hypothesis that the average age of a Zappos employee is less than 36 years old.
 
  A random sample of 22 Zappos employees was found to have an average age of 33.9 years. The standard deviation for this sample was 4.1 years. Amazon would like to set  = 0.025. The critical value for this hypothesis test would be ________.A) 1.282
  B) 1.771
  C) 2.080
  D) 2.977

Question 2

If two variables have a correlation coefficient equal to -0.60 from a sample size of 5, we can conclude that the population correlation coefficient is less than zero using  = 0.05.
 
  Indicate whether the statement is true or false
Business Statistics ¦ Donnelly ¦ 2nd Edition
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carolinefletcherr

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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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Jipu 123

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Reply 2 on: Jun 24, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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