(a)Does it make sense to construct a histogram for the state of residence of randomly selected individualist a sample? Explain why or why not.

(b)Characterize the likely shape of a histogram of the distribution of scores on a midterm exam in a graduate statistics course.

(c)Explain why the standard deviation would likely not be a reliable measure of variability for a distribution of data that includes at least one extreme outlier.

(d)Suppose that you collect a random sample of 250 salaries for the salespersons employed by a large PC manufacturer. Furthermore, assume that you find that two of these salaries are considerably higher than the others in the sample. Before analyzing this data set, should you delete the unusual observations? Explain why or why not.