For each of the following variables, determine whether the variable is categorical or numerical and determine its measurement scale. If the variable is numerical, determine whether the variable is discrete or continuous.
a. Number of cellophanes in the household
b. Monthly data usages (in MB)
c. Numbers of text messages exchanged per month
d. Voice usage per month (in minutes)
e. Whether the cell phone is used for email
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Chapter 1 Solutions
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