. c. In a county of 72,500 persons, a simple random sample of four households was selected from the population of 25,000

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C In A County Of 72 500 Persons A Simple Random Sample Of Four Households Was Selected From The Population Of 25 000 1 (39.45 KiB) Viewed 32 times

. c. In a county of 72,500 persons, a simple random sample of four households was selected from the population of 25,000 households, to estimate the average cost of food per household for a week. The first household in the sample had 4 persons and spent a total of $150 on food that week. The second household had 2 persons and spent $100 on food. The third household with 4 persons spent $200, while the fourth household with 3 persons spent $140. i) Identify the sampling units and the variable of interest. ii) Give two estimators which can be used to estimate the mean expenditure per household per week. iii) Estimate the mean expenditure per household per week using each estimator identified in (ii). [2 + 1 + 4]