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Author Question: If a distribution is normal with = 50 and = 10, then what proportion of the scores will fall ... (Read 72 times)

Brittanyd9008

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on: Jun 20, 2018
If a distribution is normal with  = 50 and = 10, then what proportion of the scores will
  fall between 20 and 80?
 
  a. .3413
  b. .6826
  c. .9544
   d. .9974

Question 2

The value of Xs is affected by the size of the sample and the _____ .
 
  a. mean of scores in the sample
  b. mean of the population
   c. variance of the population
  d. shape of the frequency distribution


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janeli1

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

D

Answer to Question 2

C


Brittanyd9008

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Reply 2 on: Jun 20, 2018
Excellent

diana chang

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Reply 3 on: Yesterday
Wow, this really help

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