Data were collected on the hourly wage ($) for two types of marketing managers: (1) advertising / promotion managers and (2) sales managers. The results were used to create the following histograms. Which of the following statements is true? I. The distribution of hourly wages for sales managers is unimodal and skewed right.
II. The distribution of hourly wages for advertising/promotion managers is unimodal and skewed left.
III. The distribution of hourly wages for sales managers is unimodal and skewed left.
IV. It appears that sales managers earn a lower hourly wage compared to advertising/promotion managers.
Choose Answer below:
A. I only
B. III only
C. IV only
D. II onlyE. III and IV only