stats 3.pdf - QUANTITATIVE TECHNIQUES A(STAIABM STAIAQT STAQTAI Page 1 of 8 10 A researcher collects the information about the income of five

# stats 3.pdf - QUANTITATIVE TECHNIQUES A(STAIABM STAIAQT...

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QUANTITATIVE TECHNIQUES A (STAIABM, STAIAQT, STAQTAI) Page 1 of 8 10. A researcher collects the information about the income of five individuals. The income of the individuals (in thousands of rands) is: 15 25 10 30 25 The median is A.10B.21c. 25D. 30 18.Which measure of central tendency is most sensitive to skewness? 19.The average mark on a stats test for a class of 25 students was 75%. If the 12 female students in the class averaged 70%, then what did the male students in the class average?

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QUANTITATIVE TECHNIQUES A (STAIABM, STAIAQT, STAQTAI) Page 2 of 8 20.You are given the following data set: 13 27 Which of the following statements is true? 21 . A copier services company is considering adding an advanced model to its product line but is concerned about excessive maintenance calls. During a trial introduction in a test market, maintenance personnel recorded X, the number of service visits required to get a particular copier up and running to the customer's satisfaction. These data are summarised in the following table: How many copiers were distributed as part of this trial introduction? A.5B.11D. 1000 400
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