l A shipment of packages to the Solomon Company included 8 packages weighing 5 pounds, 5 weighing 3 pounds and 24 weighing 10 pounds. What value would you use as a typical amount for the weight of a package? (Round to two decimal places as needed) The hex plot below shows the amount spent for books and supplies per year by students at community colleges. 320 360 380 400 420 440 450 Amountldollars) Q The interquartile range is from $380 to $430 0 25% 0f the data is less than $430 0 The mean equals $410 0 ?5% 0f the data is more than $380 The following stemand-leaf chart shows the number of units produced per day in a factory during a month: 2 4 4 5, 3 5 5, 6 o, 0, o, 5, 5 7 o, 0, 2, 2, 7 3 4, 5, 5, 5, 3 Find the sum of the mean and the standard deviation of number of units produces in the factory per day [X+ S 1. Round the number to three decimal places if needed. Below 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 CO 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 negatively skewed. O 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 lower than the median because the distribution is positively skewed. O We would expect the mean salary to be higher than the median because the distribution is positively skewed