Use the frequency histogram to complete the following Employee Salaries parts. 300- (a) Determine the number of classes. 200- Frequency (b) Estimate the greatest and least frequencies 100- (c) Determine the class width. (d) Describe any patterns with the data. 32 37 42 47 52 57 62 Salary (in thousands of dollars){a} There are D classes. {Type a whole number_} {b} The least frequency is about |:|_ [Round to The nearest 1Mhdle number as needed.) The greatest frequency is about |:|_ {Round to The nearest 1mule number as needed.) is} The class width is |_|. (Type an integer or a decimal. Do not round.) (d) What pattern does the histogram show? O A. Less than half of the employees make between $35,000 and $59,000. O B. About half of the employees' salaries are between $40,000 and $49,000. O C. Most employees make less than $34,000 or more than $60,000. O D. About half of the employees' salaries are between $50,000 and $59,000