Concept explainers
Table 1. 7 shows data for eight cordless telephones (Consumer Reports, November 2012). The Overall Score, a measure of the overall quality for the cordless telephone,
a. How many elements are in this data set?
b. For the variables Price, Overall Score, Voice Quality, Handset on Base, and Talk Time, which variables are categorical and which variables are quantitative?
c. What scale of measurement is used for each variable?
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