Author Question: The only time the standard deviation may equal zero, is when a. the range is less than 50 b. ... (Read 93 times)

corkyiscool3328

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The only time the standard deviation may equal zero, is when
 
  a. the range is less than 50
  b. every score in the distribution is the same
  c. the range is negative
  d. none of these, since the standard deviation may never be equal to zero

Question 2

In hypothesis testing, a statement about the predicted relation between populations is the __________.
 
  Fill in the blanks with correct word



Madisongo23

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Answer to Question 1

b

Answer to Question 2

research hypothesis



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