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Author Question: A researcher has calculated a variance of 9 for a data set. What is this data set's standard ... (Read 45 times)

Marty

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on: Jul 8, 2018
A researcher has calculated a variance of 9 for a data set. What is this data set's standard deviation?
 
  a. 1
  b. 3
  c. 4
  d. 5

Question 2

Which is true about the variance for scores in a data set?
 
  a. A larger variance value usually indicates a smaller dispersion of scores.
  b. It can be calculated for nominal scores.
  c. The calculated score has no absolute value.
  d. The variance indicates the range of scores.


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SAUXC

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Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: B

Answer to Question 2

ANS: C


Marty

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Reply 2 on: Jul 8, 2018
Great answer, keep it coming :)

Joy Chen

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

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