Question: A shortage of candidates has required school districts to pay higher salaries and offer extras to attract and retain school district superintendents. The following data show the annual base salary ($1000s) for superintendents in 20 districts in the greater Rochester, New York area.

187 184 174 185

175 172 202 197

165 208 215 164

162 172 182 156

172 175 170 183

Use classes of 150-159, 160-169, and so on in the following.

a. show the frequency distribution.

b. show the percent frequency distribution.

c. show the cumulative percent frequency distribution.

d. develop a histogram for the annual base salary.

e. does the data appeared to be skewed? explain.

f. What percentage of the superintendents make more than $200,000.