Question #145 Points) An investment bank with offices located throughout the United States, listed the below...
Question #145 Points) An investment bank with offices located throughout the United States, listed the below commissions earned last month by a sample of 15 brokers at its office in New York, S2,038 $1.758 $1,721 $1.637 $2.097 $2,047 $2,205 51.787 $2.287 $1.940 $2.311 $2,054 $2.406 $1,471 51.460 Find the (6 points each except for f, which is 10 points) a) First Quartile (Q:) b) Second Quartile (Q2) c) Third Quartile (Q) d) Highest data point (H) e) Lowest data point (L) f) Construct the Whisker Box Plot. (15 points) Question #2 (18 Points) For question #1 above, find the following: a) The percentile rank of S 2,047. (5 points) b) What number is the 25% percentile rank? (5 points) c) What number is the 75% percentile rank? (5 points). Question #3 (12 Points) The average age of the accountants at Three Rivers Corp. is 26 years, with a standard deviation of 6 years; the average salary of the accountants is $31.000, with a standard deviation of $4000. Compare the variations of age and income. Question #4 (15 Points) The costs per load (in cents) of 35 laundry detergents tested by a consumer organization are shown here. recuency Class limits 13 19 20 2733 34 40 41-47 48 54 5561 62-68 a) Find the Mean, b) Find the Variance c) Find the Standard Deviation NO-OUNUN