1. What is the difference between a qualitative variable and a quantitative vari
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1. What is the difference between a qualitative variable and a quantitative variable? When would each be appropriate? (10 points) 2. What is the difference between discrete and continuous variables? Under what circumstances would each be applicable? (10 points) 3. For each of the following, indicate the scale of measurement that best describes the information. (20 points) a) In 2008, Dell Corporation ha b) USA Today reports that the previous day's highest temperature in the United States was 105 degrees in Death Valley, Califomia. c) An individual respondent answers "yes" when asked if TV contributes to violence in the United States d) In a comparison test of family sedans, a magazine rates the Toyota Camry higher than the VW Passat. d approximately 78,000 employees. 4. During his career in the NHL, hockey great Wayne Gretzky had the following season-total goals for each of his 20 seasons. Construct a frequency distribution for these data. (20 points) 51 55 92 71 87 73 52 62 40 54 40 41 31 16 38 11 23 25 23 9 5. For a sample of 11 employers, the most recent hourly wage increases were 18, 30, 25, 5,7, 2, 20, 12, 15, 55, and 40 cents per hour. For these sample data, determine the following. (30 points) a) The mean, median, and range b) The mean absolute deviation. c) The variance and standard deviation. e term parameter and statistic. Which one will be the result of taking 6. Differentiate between th a sample. (10 points)Explanation / Answer
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1. Qualitative variable v/s quantitative variable
Qualitative variable: Values of qualitative variable doesn't result from measurement or counting. They are derived by categorizing in sets. Examples of qualitative variables - Hair color ( red/black/brown), Education ( BE/MBA/CA) etc. Qualitative variables are used when the factors responsible are not measureable/rankable or countable and a mathematical relationship cannot be established between the values
Quantitative variable: Values of quantitative variables result from measurements or counts for example - height, weight etc. Quantitative variables are used when there can be comparision between the values in terms of order, count or measurement
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