HW_1_Answ

# HW_1_Answ - NAME HP340 Biostatistics Spring 2008 DUE Date...

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NAME:_____________________ HP340: Biostatistics, Spring 2008 DUE Date: Jan. 30th Homework #1 Answers Directions: Clearly circle the letter of the correct answer, or fill in the answer when indicated. 1) If the 80 th percentile on an examination is 114, then ____. a. 80 percent of the people got a score of 114 b. less than 80 percent of the people got a score higher than 114 *c. 80 percent of the people got a score of 114 or less d. 80 percent of the people got a score lower than 114 e. cannot be determined from information given 2) An examination that clearly distinguished between those students who knew the material and those who did not would most likely yield a _____ distribution. *a. bimodal b. trimodal c. unimodal d. multimodal e. median 3) A public health study collected blood pressure rates from middle-aged nurses working more than 60 hours per week. The study found that a few nurses had very low blood pressure, but the majority had very high blood pressure. The frequency distribution of

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HW_1_Answ - NAME HP340 Biostatistics Spring 2008 DUE Date...

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