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Author Question: The frequency distribution of a normally distributed set of scores can be described completely by ... (Read 31 times)

SGallaher96

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on: Aug 2, 2018
The frequency distribution of a normally distributed set of scores can be described completely by the and .
 
  a. mean, standard deviation
  b. mean, median
  c. median, variance
  d. median, standard deviation

Question 2

A recent survey based on a random sample of n = 470 voters, predicted that the Independent candidate for the mayoral election will get 24 of the vote, but he actually gets 27. Can it be concluded that the survey was done incorrectly?
 
  What will be an ideal response?


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babybsemail

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Reply #1 on: Aug 2, 2018
Answer to Question 1

A

Answer to Question 2

No, because of sampling variability, sample proportions will naturally vary from the true population proportion, even if sampling is done with a perfectly valid procedure.


SGallaher96

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

rachel

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Reply 3 on: Yesterday
Wow, this really help

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