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Author Question: The test used to reach a decision about the null hypothesis when the population variance is unknown ... (Read 29 times)

Beheh

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on: Jun 20, 2018
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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Reply #1 on: Jun 20, 2018
Answer to Question 1

t

Answer to Question 2

2


Beheh

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Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

miss.ashley

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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