HW_2_Answ

HW_2_Answ - HP340: Biostatistics, Spring 2008 DUE Date:...

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HP340: Biostatistics, Spring 2008 Name:________________________ DUE Date: Feb. 11 Show all your work. Homework #2 1) The sum of differences of a set of scores about the mean of those scores is always ____________ a. greater than the mean itself *b. equal to zero c. equal to 1 d. equal to the mean e. dependent on the shape of the distribution 2) In Massachusetts, eight individuals experienced an unexplained episode of vitamin D intoxication; it was thought that these unusual occurrences might be the result of excessive intake of dairy milk. Blood levels of calcium and albumin-a type of protein- for each subject at the time of hospital admission are provided below. Find the mean, median, range, variance and standard deviation of the recorded calcium levels (HINT: use the estimated population variance equation ). Show work. a. MEAN: ______3.14____________ b. MEDIAN: ______3.08____________ c. RANGE: ______1.47____________ d. VARIANCE: ______0.26____________ e. STANDARD DEVIATION: ______0.51____________
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This note was uploaded on 11/30/2009 for the course HP 400m at USC.

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HW_2_Answ - HP340: Biostatistics, Spring 2008 DUE Date:...

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