A marketing analyst is conducting a satisfaction survey on car purchase in

town A. The population list includes 3000 Proton buyers, 2500 Honda

buyers, 2500 Toyota buyers and 2000 Mazda buyers. The analyst selects a

sample of 400 car buyers.

i)State the population and the sampling frame for the study.

ii) Identify the variable of interest

iii) State the appropriate sampling technique and give ONE (1) reason for

using this technique.

iv) Calculate the number of selected samples for each car manufacturer.