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Author Question: Match the symbol (1- ) with the correct definition. A) the power of a test B) the probability of ... (Read 57 times)

WhattoUnderstand

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on: Jun 24, 2018
Match the symbol (1- ) with the correct definition.
 
  A) the power of a test
  B) the probability of a Type I error
  C) the probability of a Type II error
  D) the probability of failing to reject the null hypothesis when it is true

Question 2

The probability is approximately 0.05 that X is in the symmetric interval about the mean between which two numbers?
 
  What will be an ideal response?


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lkanara2

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

D

Answer to Question 2

P(a < X < b) = 0.05  P(a  48 ) / 7.8 < Z < (b  48 ) / 7.8 = 0.05
 (a  48 ) / 7.8 = -0.06 and (b  48 ) / 7.8 = 0.06
 a = 47.532 and b = 48.468


WhattoUnderstand

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Reply 2 on: Jun 24, 2018
Wow, this really help

juliaf

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Reply 3 on: Yesterday
Excellent

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