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Author Question: Which is better, a score of 92 on a test with a mean of 71 and a standard deviation of 15, or a ... (Read 97 times)

abarnes

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on: Jul 25, 2018
Which is better, a score of 92 on a test with a mean of 71 and a standard deviation of 15, or a score of 688 on a test with a mean of 493 and a standard deviation of 150? (Assume that the distributions being compared have approximately the same shape
 
  .)
  A) A score of 92
  B) A score of 688
  C) Both scores have the same relative position.

Question 2

A computer network manager wants to test the reliability of some new and expensive fiber-optic Ethernet cables that computer department just received. The computer department received 7 boxes containing 10 cables each.
 
  The manager does not have the time to test every cable in each box. The manager will choose one box at random and test 2 cables chosen randomly within that box. What is the sample?
  A) The 7 boxes
  B) The one box that was chosen at random from the 7 boxes
  C) The 2 cables chosen for testing
  D) 70 cables


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aloop

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

A

Answer to Question 2

C


abarnes

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Reply 2 on: Jul 25, 2018
Great answer, keep it coming :)

duy1981999

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

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