worksheet 1

# worksheet 1 - Daily calcium intake(mg Race Body mass...

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Name: _________________________ Worksheet I – Biostatistics 1. The following are the (total) serum cholesterol (mg/dl) values of 18 individuals: 166 235 194 191 132 140 213 240 200 140 222 235 282 184 257 194 235 123 Calculate the following: Mean: __________ Median: ________ Mode: __________ 2. Calculate the variance, standard deviation, and range for the following fasting blood glucose levels (mg/dl): 106, 110, 136, 93, 107 _ Use V = (x – x) 2 ( n - 1 ) Mean = ____________ Variance = _________ Range = ___________ Standard deviation = ____________ 3. Determine if the following variables are discrete or continuous: Age _________________________ Serum calcium _____________________ Weight _______________________
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Unformatted text preview: Daily calcium intake (mg) ____________ Race _________________________ Body mass index (kg/m 2 ) _____________ Blood type _____________________ Bone mineral density _________________ Number of pregnancies ___________ # of wrist fractures ___________________ 4. Following are the number of speeding tickets issued to Intro to Epidemiology students throughout the Fall semester as they rushed to class twice a week. Construct a frequency distribution, a histogram and a frequency polygon for this data set. Use Excel for this task, or do it by hand on an additional sheet of paper (neatness counts!): 3, 1, 0, 4, 2, 1, 5, 4, 4, 2, 3, 0, 5, 1, 2, 3, 4, 1, 4, 2, 0, 1, 8, 5, 2, 4, 1, 3, 4, 2...
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