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Author Question: If we know the sample variance, can we use that information to find the sample standard deviation? ... (Read 206 times)

brutforce

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on: Jun 20, 2018
If we know the sample variance, can we use that information to find the sample standard deviation?
 
  a. Yes, simply take the square root of the variance to find the standard deviation.
  b. Yes, simply square the variance to find the standard deviation.
  c. Yes, simply divide the variance by N to find the standard deviation.
  d. No, it is not possible.

Question 2

To determine the range, we simply
 
  a. subtract the highest score minus the lowest score.
  b. subtract the lowest score minus the highest score.
  c. need to know the lowest and highest scores.
  d. average the lowest and highest scores.


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cupcake16

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Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

a


brutforce

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Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

chereeb

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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