Page 390 - DMTH404_STATISTICS

Statistics

Notes
Population Population standard deviation Sample standard deviation
Women 40 45

Men 60 35

Compute the f statistic.
4. Find the cumulative probability associated with each of the f statistics. Suppose you
randomly select 6 women from a population of women, and 10 men from a population of
men. The table below shows the standard deviation in each sample and in each population.
Population Population standard deviation Sample standard deviation
Women 30 35

Men 50 45

5. Suppose you randomly select 8 women from a population of women, and 12 men from a
population of men. The table below shows the standard deviation in each sample and in
each population.

Population Population standard deviation Sample standard deviation

Women 30 35
Men 60 35

Compute the f statistic.
Answers: Self Assessment

2
1. (i) two (ii) c (iii) 56 (iv) equal (v) zero (vi) positively.

28.6 Further Readings

Books Sheldon M. Ross, Introduction to Probability Models, Ninth Edition, Elsevier
Inc., 2007.
Jan Pukite, Paul Pukite, Modeling for Reliability Analysis, IEEE Press on
Engineering of Complex Computing Systems, 1998.

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