STA304H1 : 30409S_T1sol.pdf
Document Summary
Sta 304h1 f/1003h f summer 2009, first test, may 28 (20%) Allowed: hand-calculator, aid-sheet, one side, with theoretical formulas and definitions only. [25] 1) a marketing analyst is asked to study the buying habits of shoppers at a national chain store (e. g. sears). Explain some related problems. (d) give two variable of interest related to element of the population (one quantitative, the other qualitative). (e) describe an appropriate method of data collection in this study. More accurate definition would be: all shoppers that regularly shop at the chain store, but then it should require to defining who is a. The definition may also include a time period of shopping. [7](b) two stage cluster sampling: first select an srs of stores, and then a sample of customers, e. g. when entering the store, or at exit, using systematic sampling, because a list of shoppers does not exist.
