The research center of a university collects data on employmentand hourly earnings in private industry groups. Eighteen peopleworking in the manufacturing industry are selected at random. Theiraverage hourly earnings, in dollars, are as follows.
52.6 45.9 62.0 74.2 80.6 77.5 34.8 46.8 48.4 68.7 41.2 52.5 58.966.2 69.9 57.1 63.3 102.9
(a) Construct a frequency distribution and a relative frequencydistribution for these hourly earnings. Use a first cutpoint of 34and classes of equal width 9.
(b) Describe the distribution of hourly earnings.
(c) Obtain the five-number summary.
(d)Are there any outliers? Show appropriatecalculations.      Â
(e) Is a pie chart appropriate for this distribution of hourlyearnings? Why or why not?
