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    Statistics for The Behavioral Sciences
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    Exam 4: Variability
  5. Question
    A Sample of N = 25 Scores Has Mean M
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A Sample of N = 25 Scores Has Mean M

Question 40

Question 40

Multiple Choice

A sample of n = 25 scores has mean M = 20 and variance s2 = 9.What is the sample standard deviation?​


A) ​3
B) ​4.5
C) ​9
D) ​81

Correct Answer:

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