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Author Question: The mean of a set of data is 380.65 and its standard deviation is 82.45. Find the z-score for a ... (Read 50 times)

olgavictoria

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on: Jul 25, 2018
The mean of a set of data is 380.65 and its standard deviation is 82.45. Find the z-score for a value of 405.71. Round your final answer to two decimal places.
 
  A) 0.60 B) 0.27 C) 0.30 D) 0.33

Question 2

A magazine publisher always mails out a questionnaire six months before a subscription ends. This questionnaire asks its subscribers if they are going to renew their subscriptions.
 
  On average, only 8 of the subscribers respond to the questionnaire. Of the 8 who do respond, an average of 41 say that they will renew their subscription. This 8 who respond to the questionnaire are known as what?
  A) The population B) The sample


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bobsmith

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Reply #1 on: Jul 25, 2018
Answer to Question 1

C

Answer to Question 2

B


olgavictoria

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Reply 2 on: Jul 25, 2018
Thanks for the timely response, appreciate it

laurnthompson

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Reply 3 on: Yesterday
:D TYSM

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