Tutorial 2 Solution.pdf - ESEE2201 STATISTICS II TUTORIAL 2...

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ESEE2201 STATISTICS II TUTORIAL 21.A simple random sample of n = 300 full-time employees is selected from a company list containing the names of all N = 5,000 full-time employees in order to evaluate job satisfaction. a.Give an example of possible coverage error, b.Give an example of possible nonresponse error, c.Give an example of possible sampling error, d.Give an example of possible measurement error. Solution:
d.Possible measurement error: Ambiguous wording in questions asked on the questionnaire. 2.Given a normal distribution with μ= 100 and σ= 10, if you select a sample of n = 25, what is the probability that X a.less than 95?b.between 95 and 97.5?c.above 102.2?d.There is a 65% chance that X is above what value?isSolution:

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