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Author Question: The test used to reach a decision about the null hypothesis when the population variance is unknown ... (Read 20 times)

Beheh

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The test used to reach a decision about the null hypothesis when the population variance is unknown is the __________ test.
 
  Indicate whether the statement is true or false

Question 2

In a normal curve, the percentage of the scores lower than two standard deviations below the mean is approximately __________.
 
  Fill in the blanks with correct word



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parker125

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Answer to Question 1

t

Answer to Question 2

2




Beheh

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Reply 2 on: Jun 20, 2018
Excellent


debra928

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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