SOLUTION: The following are the annual salaries of 19 chief executive officers of major companies. (The salaries are written in thousands of dollars.)
743, 428, 181, 405, 338, 204, 381, 5
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Question 1186972: The following are the annual salaries of 19 chief executive officers of major companies. (The salaries are written in thousands of dollars.)
743, 428, 181, 405, 338, 204, 381, 519, 157, 452, 495, 676, 700, 767, 1108, 248, 134, 586, 75
Find the 25th and 80th percentile
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
order them then count to be sure you have 19.
25th percentile is 19*.25=4.75 so three-quarters of the way between the 4th and 5th (181, 204). That difference is 23, and three-quarters of that is 17, so 198 is the 25th percentile.
The 80th percentile is 19*.80 or 15.2 number or 20% of the distance between the 15th and 16th observation.
That is 20% of the way between 676 and 700 or 4.8. units, so the number is 681, rounded
75
134
157
181
204
248
338
381
405
428
452
495
519
586
676
700
743
767
1108
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