HW_5 - HP340: Biostatistics, Fall 2009...

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Unformatted text preview: HP340: Biostatistics, Fall 2009 Name:________________________ DUE: Wednesday 9/30 upload to BB before class (3:30) Show all work. Homework #5 1) The statistical symbol H is used to represent a(n) ______ hypothesis. a. rejected b. alternative c. accepted d. null e. type 1 2) a) Which of the following could be an appropriate null hypothesis for a statistical test concerning the mean income of 17-year-old males? a. H : X = $2617 b. H : X $2617 c. H : $2617 d. H : = $2617 e. Correct answer choice not provided b) Which of the following could be an appropriate directional null hypothesis for a statistical test concerning the mean income of 17-year-old males? a. H : $2617 b. H : X = $2617 c. H : X $2617 d. H : = $2617 e. Correct answer choice not provided 3) In behavioral research, alpha is usually set at ______. a. .10 b. .05 or .01 c. .01 or .001 d. alpha is not set in behavioral research e. .50 since it is half of the sampling distribution of the mean 4) A statistical test that locates rejection regions at both ends of the sampling distribution is called...
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HW_5 - HP340: Biostatistics, Fall 2009...

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