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Nalu Nalu
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7 years ago
A sample of 20 observations has a standard deviation of 3 . The sum of the squared deviations from the sample mean is:
 a. 20.
  b. 23.
  c. 29.
  d. 171.
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scates8scates8
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7 years ago
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Nalu Author
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7 years ago
Smart ... Thanks!
SlimyPencil
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Yesterday
You make an excellent tutor!
patyfeitosa
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2 hours ago
Helped a lot
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