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1.
Doctors are studying body composition.
They are looking into variables such
as race, sex, and socioeconomic 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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 Spring '08
 McGuckian

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