A discrete variable can take on only the values 0, 1, or 2. A set of 20 measurements on this variable is shown here:

a. Construct a relative frequency histogram for the data.
b. What proportion of the measurements are greater than 1?
c. What proportion of the measurements are less than 2?
d. If a measurement is selected at random from the 20 measurements shown, what is the probability that it is a 2?
e. Describe the shape of the distribution. Do you see any outliers?

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