15c) Find the mode for the scores in the following frequency distribution table: Cumulative Number Frequency Frequency 16 15 15 10 13 12 7 11 4

For the sample scores in the frequency distribution table below, the median is 1 4 4. 1 1 1 3.

A sales manager recorded the number of sales made by each of the 300 salespeople working athis chain of furniture outlet stores on a Saturday and created the following table.# Sales (bins) Proportion of salespeople in this bin0 – 3 0.053 – 6 0.156 – 9 0.30 9 – 12 0.3512 -15 0.15a. What is the unit of observation in this sample?b. What is the variable collected?c. Draw and label the histogram for this dataset.d. Which is the modal category?e. Calculate the proportion of the salespeople made 9 or more sales.f. Calculate the number of salespeople who made between 0 and 9 sales.

Construct a frequency polygon from the following scores: 11, 7, 12, 8, 10, 9, 10, 10, 8, 9, 11, 10, 9, 7, 8, 6, 11, 9