Sample Final

Sample Final - 1. Doctors are studying body composition....

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1. Doctors are studying body composition. They are looking into variables such as race, sex, and socio-economic class. Each of these variables are a) continuous b) discrete c) Qualitative d) Quantitative 2. The number of people who drive a Toyota automobile is an example of what kind of variable: a) Continuous b) Qualitative c) Discrete d) Normal 3. Calculate the mean for the following numbers: 2.3, 2.5, 2.9, 2.6, 2.5, 2.8, 3.0 4. Calculate the median for the above set of numbers. 5. What is the mode for the above set of numbers? 6. A set of exam scores has a mean of 75 and a median of 68. Is the distribution of exam scores symmetric or skewed? 7. Calculate the standard deviation for the following set of numbers: 2, 5, 8, 9, 7, and 7. 8. If the variance for a set of numbers is small this means the numbers are close together or far apart? 9. What can we say about the percent of worms that are between 4 and 6 inches long, if we know worms have an average length of 5 inches and a standard
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Sample Final - 1. Doctors are studying body composition....

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