Q1 (5 marks) (a) Describe possible sampling frames for these populations, and explain your answer:

a. Customers who have bought any whiteware appliances from Harvey Norman in the last 5 years. (1 mark)

b. Current NZ Customers of the ANZ bank with at least one saving or mortgage account. (1 mark)

(b) Identify the sampling method being used and comment on its appropriateness (Just stating either probability sampling or non-probability sampling method will not award any marks) , and explain your answer:

a. A market research consultant plans to intercept 50 shoppers over 7 days in the 10 biggest supermarkets in NZ to measure consumer preference for a nutritious new food item. (1 mark)

b. A political polling consultant selects 1000 registered voters at random from the NZ electoral roll to survey their voting intentions in the next general election in NZ. (1 mark)

c. A political polling consultant selects 500 registered male voters and 500 registered female voters at random from the NZ electoral roll to survey their voting intentions in the next general election in NZ and ensure a balanced gender representation of the voting population. (1 mark)