Question

1. Suppose that the population in question is the set of all registered voters in the Philippines. A rough estimate of the total number of registered voters is 90,000,000. Calculate the random samples where the error of tolerance is 0.01%

2. In a survey on the level of awareness of registered voters registered voters regarding the computerization of the election processes resulted into:

	(5)	(4)	(3)	(2)	(1)
	Strongly Agree	Agree	Undecided	Disagree	Strongly Disagree
Level of Awareness	800	200	50	100	50

compute the mean and interpret the results.

Answer 1

Total level of awareness = 800+200+50+100+50 = 1200

Arranging the data we get

	strongly agree	agree	undecided	disagree	strongly disagree
x	5	4	3	2	1
P(x) Level of Awareness	800/1200	200/1200	50/1200	100/1200	50/1200

Mean = sum(Pi*Xi)

= 800/1200 * 5 + 200/1200 * 4 + 50/1200*3 + 100/1200 *2 + 50/1200* 1

= 800/1200 * 5 + 200/1200 * 4 + 50/1200*3 + 100/1200 *2 + 50/1200* 1

= 4.33

Thus, mean indicate that average level of awareness is between agree and strongly agree, and is inclined towards agree