QUESTION $3$

a$.$ In a research, why is it often unnecessary to conduct a census to find out about an entire

population? Why would it be impractical?

b$.$ Honda GH is interested in learning what its $550$ dealers think about a new service program

Honda provided to the dealers at the beginning of last year. Honda GH wants to know if the

dealers are using the program and, if so$,$ what they like and dislike about the program. Honda

GH does not want to survey all $550$ dealers but wants to ensure that the results are

representative of all the dealers.

Required:

What sampling plan should be used, and why?

c$.$ A researcher wants to investigate the factors that influence employee performance in the public

sector. Upon review of the related literature the following three factors were revealed;

employee satisfaction, employee motivation and quality assurance. The objectives of the study

are to:

i$.$ Examine the association between employee performance and the identified factors.

ii$.$ Determine whether there are differences in employee performance of male and female

employees.

iii. Estimate the effect of employee satisfaction, employee motivation and quality assurance

on employee performance.

Required:

State the appropriate statistical test to achieve each objective, and state two $(2)$ assumptions

of each test mentioned.

d$.$ A researcher wants to investigate whether there is a difference in GDP levels between Europe

and America.

Required:

i$.$ State two research questions, and two research objectives in relation to the research.

ii$.$ State the appropriate statement of hypothesis.

iii. What conclusion can be inferred from the analysis?

Group Statistics