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Author Question: The grouped percentage frequency of a class interval plus the sum of the percentage frequencies of ... (Read 108 times)

asan beg

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on: Jun 20, 2018
The grouped percentage frequency of a class interval plus the sum of the percentage
  frequencies of all lower class intervals is the _____ frequency of a distribution.
 
  a. cumulative grouped percentage
  b. cumulative grouped relative
  c. summated grouped percentage
  d. summated grouped relative

Question 2

The estimated population standard deviation will be equal to zero when _____ .
 
  a. a distribution is normal
  b. the mean, median and mode all have the same value
   c. all the scores in a distribution have the same value
  d. a distribution is unimodal and symmetrical


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kingfahad97

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

A

Answer to Question 2

C


asan beg

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Reply #2 on: Jun 20, 2018
Thank you!


kingfahad97

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Reply #3 on: Jun 20, 2018
Happy to help


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