1. A national executive placement company provides compensation information on more than 170 benchmark positions, includ

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1 A National Executive Placement Company Provides Compensation Information On More Than 170 Benchmark Positions Includ 1 (350.35 KiB) Viewed 74 times

1. A national executive placement company provides compensation information on more than 170 benchmark positions, including human resource managers at Fortune 500 companies. It recently reported that salaries ranged from $127,735 to $209,981 (before bonuses). Suppose the following data represent a sample of the annual salaries for 25 HR directors. Assume that data are in thousands of dollars. 173.1 171.2 141.9 112.6 211.1 156.5 145.4 134.0 192.0 185.8 168.3 131.0 214.4 155.2 164.9 123.9 161.9 162.7 178.8 161.3 182.0 165.8 213.1 177.4 159.3 a. Using 11 classes, construct a cumulative frequency distribution. b. Determine the proportion of HR director salaries that are at least $175,000. c. Determine the proportion of HR director salaries that are less than $205,000 and at least $135,000.