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Author Question: A sample of 15 observations has a standard deviation of 4 . The sum of the squared deviations from ... (Read 119 times)

geodog55

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on: Jun 24, 2018
A sample of 15 observations has a standard deviation of 4 . The sum of the squared deviations from the sample mean is:
 a. 19
  b. 56
  c. 60
  d. 224
  e. 240

Question 2

Expressed in percentiles, the interquartile range is the difference between the:
 a. 15th and 65th percentiles
  b. 20th and 70th percentiles
  c. 25th and 75th percentiles
  d. 30th and 80th percentiles
  e. 35th and 85th percentiles


Animal_Goddess

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Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

C


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