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Author Question: The value that corresponds to the 50th percentile point in a distribution of scores is the _____ . ... (Read 103 times)

gonzo233

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on: Jun 20, 2018
The value that corresponds to the 50th percentile point in a distribution of scores is the _____ .
 
  a. mode
   b. median
  c. arithmetic mean
  d. sample mean

Question 2

If a distribution is normal with = 50 and = 10, then what proportion of the scores will
  fall between 30 and 70?
 
  a. .9544
  b. .3413
  c. .6826
  d. .9974


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bdobbins

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

B

Answer to Question 2

A


gonzo233

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Reply 2 on: Jun 20, 2018
Wow, this really help

juliaf

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

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