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Author Question: For a t distribution with 12 degrees of freedom, the area between -2.6810 and 2.1788 is 0.980. ... (Read 168 times)

Chelseaamend

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on: Jun 24, 2018
For a t distribution with 12 degrees of freedom, the area between -2.6810 and 2.1788 is 0.980.
 
  Indicate whether the statement is true or false

Question 2

Suppose Z has a standard normal distribution with a mean of 0 and standard deviation of 1. So, 50 of the possible Z values are between ________ and ________ (symmetrically distributed about the mean).
 
  Fill in the blank(s) with correct word


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ky860224

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Reply #1 on: Jun 24, 2018
Answer to Question 1

FALSE

Answer to Question 2

-0.67 and 0.67 or -0.68 and 0.68


Chelseaamend

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

mammy1697

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Reply 3 on: Yesterday
Wow, this really help

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