31 August 2010, 6:23 am
Question 1 The globe and mail (Canada) reported that 40% of those surveyed (1300 adults) ate in Sushi restaurants from one to five times each month. (a)What is the implied population? 1300 (b)What is the sample? 0.4x1300+520 Question 2 Identify the levels of measurement (Ordinal, Nominal or Interval) of the following variables: (i) The reaction time of a martial art fighter to an attack. Interval (ii) Course evaluation scale for QM: poor, acceptable, good. Ordinal (iii) The position of the Canadians in the National Hockey league. Nominal (iv) A person’s occupation as classified by Statistics Canada (Managerial and professional, technical sales….) Ordinal (v) The pressure in pounds per square inch required to crack a specimen of copper tubing Nominal (vi) The species of each insect found in a sample plot of cropland. Nominal Question 3 An advertising firm conducts a sample survey to adult react to various adjectives that might be used to describe an automobile. The firm chooses 400 men from across the country. Each man is read a list of adjectives, such as ‘elegant’ and prestigious. For each adjective he must indicate how desirable a car described seems to him. The possible answers he can give (i) highly desirable, (2) somewhat desirable (3) neutral and (4) not desirable. (a)What is the population in this sample survey? 400 (b)What is the dependent variable? Desire depends on the man (c)What type of measurement scale does the response variable have? Only men, not overlapping, Nominal... Read More »
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