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Author Question: The sum of deviations of the individual data elements from their mean is _____. a. always greater ... (Read 75 times)

ahriuashd

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on: Jun 24, 2018
The sum of deviations of the individual data elements from their mean is _____.
 a. always greater than zero
  b. always less than zero
  c. sometimes greater than and sometimes less than zero, depending on the data elements
  d. always equal to zero

Question 2

The sample size needed to provide a margin of error of 2 or less with a .95 probability when the population standard deviation equals 11 is
 a. 10.
   b. 11.
   c. 116.
   d. 117.


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mfedorka

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Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

d


ahriuashd

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  • Posts: 535
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

carojassy25

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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