Subject: Statistical Analysis

Topic: Collection of Data

Direction: Answer and show the WHOLE SOLUTION.

Solve for the following:

1.A researcher wanted to conduct a survey. If the population is 15,500,find the sample size if the desired margin of error is:(Use Slovin's Formula)

a.12%

b.4%

c.9%

d.5%

2.The College of Engineering conducts a survey of its graduating seniors in order to learn about the starting salaries and the job market for the new graduates. The population of graduating seniors according to majors as recorded as follows: CE(85), EE(92), COE(115), ME(78), and ECE(120).

a.If you would like to select 80sample, how large musta sample be for each major using proportionate allocation?(Show your complete solution.)

b.If you would like to select 100sample, how large musta sample be for each major using equalallocation?(Show your complete solution.)