Transcription of SOLUTIONS TO BIOSTATISTICS PRACTICE PROBLEMS
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SOLUTIONS TO BIOSTATISTICS PRACTICE PROBLEMS
SOLUTIONS TO BIOSTATISTICS PRACTICE PROBLEMS BIOSTATISTICS DESCRIBING DATA, THE NORMAL DISTRIBUTION SOLUTIONS 1. a. To calculate the mean, we just add up all 7 values, and divide by 7. In fancy statistical notation, 7XX71ii === ++++++ years. b. To calculate the sample median, first rank the values from lowest to highest: Since there are 7 values, an odd number, we can simply select the middle value, , to calculate the sample median. b. It s a good thing we have calculated the sample mean- we ned this to calculate the sample standard deviation! Recall the formula for SD: 6) (.
BIOSTATISTICS DESCRIBING DATA, THE NORMAL DISTRIBUTION SOLUTIONS 1. a. To calculate the mean, we just add up all 7 values, and divide by 7. In
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