ch01t.exe - 0.1 Exercises for Chapter 1 1. A consumer...

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Unformatted text preview: 0.1 Exercises for Chapter 1 1. A consumer magazine article titled How Safe is the Air in Airplanes reports that the air quality, as quantified by the degree of staleness, was measured on 175 domestic flights. (a) Identify the population of interest, and the population units. (b) Identify the variable of interest and the statistical population. (c) Identify the sample. (d) Is the variable of interest quantitative or qualitative? (e) Is the variable of interest univariate or multivariate? 2. Consider the following examples of populations, together with the variable/characteristic measured on each population unit. (a) All undergraduate students currently enrolled at Penn State. Variable: major type. (b) All campus restaurants. Variable: seating capacity. (c) All books in Penn State libraries. Variable: frequency of check-out. (d) All steel cylinders manufactured in a given month. Variable: diameter of cylin- der. For each of the above examples: (1) Describe the statistical population....
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ch01t.exe - 0.1 Exercises for Chapter 1 1. A consumer...

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