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Author Question: If the population variance is increased and other factors are the same, the width of a confidence ... (Read 62 times)

storky111

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If the population variance is increased and other factors are the same, the width of a confidence interval for the population mean tends to increase.
  Indicate whether the statement is true or false

Question 2

Indicate whether a negative or a positive correlation coefficient would be expected in a study involving the following two indicated variables: As the amount of aspirin increases, the platelet aggregation decreases.



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dudman123

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Answer to Question 1

T

Answer to Question 2

Negative



storky111

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Both answers were spot on, thank you once again




 

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