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Author Question: The coefficient of determination is the proportion of the total variation in the independent ... (Read 105 times)

geodog55

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on: Jun 24, 2018
The coefficient of determination is the proportion of the total variation in the independent variable X that is explained or accounted for by its relationship with the dependent variable Y.
 
  Indicate whether the statement is true or false

Question 2

The manufacturer of bags of cement claims that they fill each bag with at least 50.2 pounds of cement. Assume that the standard deviation for the amount in each bag is 1.2 pounds.
 
  The decision rule is adopted to shut down the filling machine if the sample mean weight for a sample of 40 bags is below 49.8. Suppose that the true mean weight of bags is 50 pounds. Using this decision rule, what is the probability of a Type II error?A) 0.85
  B) 0.70
  C) 0.80
  D) 0.75


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TheNamesImani

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

FALSE

Answer to Question 2

A


geodog55

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Reply 2 on: Jun 24, 2018
Gracias!

sailorcrescent

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

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