Author Question: A sample of n = 25 scores has M = 20 and s2 = 9 . What is the sample standard deviation? a. 3 c. ... (Read 77 times)

burton19126

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A sample of n = 25 scores has M = 20 and s2 = 9 . What is the sample standard deviation?
 
  a. 3 c. 9
  b. 4.5 d. 81

Question 2

Which of the following symbols identifies the sample variance?
 
  a. s c.
  b. s2 d.  2



kjohnson

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Answer to Question 1

A

Answer to Question 2

B



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