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Q3. (a) What do you mean by control tendency? In how many ways do you measure this? (6) In a company having 80 employees 60 earn 10.00 dollar per hour and 20 earn 13.00 dollar per hour. () Determine the mean eaming per hour (ii) would youfanswer in part (i) be the same if the 60 employees eam a mean hourly wage of 10.00 dollar per hour? Prove your answer (iii) Do you believe the mean hourly wage to be typical? (c) A manufacturer of television tubes has two types of tubes, A and B. Respectively, the tubes have mean life time of XA 1495 hours and Xa = 1875 hours, and standard deviations of 8A = 280 hours and 8g = 310 hours. Which tube has the greater (i) absolute dispersion and (ii) relative dispersion? %3|

Q3. (a) What do you mean by control tendency? In how many ways do you measure this? (6) In a company having 80 employees 60 earn 10.00 dollar per hour and 20 earn 13.00 dollar per hour. () Determine the mean eaming per hour (ii) would youfanswer in part (i) be the same if the 60 employees eam a mean hourly wage of 10.00 dollar per hour? Prove your answer (iii) Do you believe the mean hourly wage to be typical? (c) A manufacturer of television tubes has two types of tubes, A and B. Respectively, the tubes have mean life time of XA 1495 hours and Xa = 1875 hours, and standard deviations of 8A = 280 hours and 8g = 310 hours. Which tube has the greater (i) absolute dispersion and (ii) relative dispersion? %3|

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Q3. (a) What do you mean by control tendency? In how many ways do you measure this? (6) In a company having 80 employees 60 earn 10.00 dollar per hour and 20 earn 13.00 dollar per hour. () Determine the mean eaming per hour (ii) would youfanswer in part (i) be the same if the 60 employees eam a mean hourly wage of 10.00 dollar per hour? Prove your answer (iii) Do you believe the mean hourly wage to be typical? (c) A manufacturer of television tubes has two types of tubes, A and B. Respectively, the tubes have mean life time of XA 1495 hours and Xa = 1875 hours, and standard deviations of 8A = 280 hours and 8g = 310 hours. Which tube has the greater (i) absolute dispersion and (ii) relative dispersion? %3|
Transcribed Image Text:Q3. (a) What do you mean by control tendency? In how many ways do you measure this? (6) In a company having 80 employees 60 earn 10.00 dollar per hour and 20 earn 13.00 dollar per hour. () Determine the mean eaming per hour (ii) would youfanswer in part (i) be the same if the 60 employees eam a mean hourly wage of 10.00 dollar per hour? Prove your answer (iii) Do you believe the mean hourly wage to be typical? (c) A manufacturer of television tubes has two types of tubes, A and B. Respectively, the tubes have mean life time of XA 1495 hours and Xa = 1875 hours, and standard deviations of 8A = 280 hours and 8g = 310 hours. Which tube has the greater (i) absolute dispersion and (ii) relative dispersion? %3|
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