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Stat 133 Autumn 2007
NAME
Allison Heck
Homework #10 (10 points)
GROUP #___________
Due Thursday Nov. 29 (at or before the beginning of recitation)
NOTE: HW 10 is NOT for extra credit
. It gives you the opportunity for one more homework assignment
so that you can drop your lowest homework score (whichever one that might be.) We keep your best 9
homework scores, whether or not you turn in homework 10. You are not penalized for not turning in
homework 10. Your total homework score in this class is still out of 90 points, as stated on the syllabus.
A large investment firm wants to review the distribution of ages of its stockbrokers. The
firm believes this information can be useful in developing plans to recruit new brokers.
The ages (in years) of a random sample of 20 brokers from this firm are 46, 28, 51, 34,
29, 40, 38, 33, 41, 52, 53, 40, 50, 33, 36, 41, 25, 38, 37, 41. Use Excel to make the
calculations and graphs necessary to do the problems below.
1. Make a relative frequency histogram of brokers’ ages and copypaste it into the area
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This note was uploaded on 02/16/2010 for the course STAT 133 taught by Professor Rumseyjohnson during the Fall '07 term at Ohio State.
 Fall '07
 rumseyjohnson

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