1.

The following stem-and-leaf chart shows the number of units produced per day in a factory during a month: 1 4 4 6. 8 5 5, 9 6 D, D, D; 54 6 II" D. D. 21 21 TI" 8 4. 5. 51 51 6 Find the sum of the mean and the standard deviation of number of units produces in the factory per day {E + 5 :1. Round the number to three decimal places if needed. S Select continuous variables of the following seE of data. [Z] Number of people at a board of directors meeting E] The color of new BMWs on a car lot. [Z] Time required to download a computer le. C] The number of General Electric microwaves sold by Home Depot last month. [:1 Number of hours students study per week Percentiles divide a set of observations into ten equal parts. O True O FalseBelow is a histogram of salaries (in thousand $) for a sample of marketing managers. Would you expect the mean salary for this sample of marketing managers to be higher or lower than the median? Frequency 10 8 5 Salaries (thousand dollars) 60 70 80 90 100 O We would expect the mean salary to be higher than the median because the distribution is positively skewed. O We would expect the mean salary to be lower than the median because the distribution is positively skewed. We would expect the mean salary to be lower than the median because the distribution is negatively skewed. O We would expect the mean salary to be higher than the median because the distribution is negatively skewed