Essentials of Business Analytics 1st Edition by Jeffrey Camm,James Cochran,Michael Fry,Jeffrey Ohlmann ,David Anderson

تمرين 21

Consider the following survey results regarding smartphone ownership by age:

a. Construct a stacked column chart to display the survey data on type of mobile phone ownership. Use Age Category as the variable on the horizontal axis.
b. Construct a clustered column chart to display the survey data. Use Age Category as the variable on the horizontal axis.
c. What can you infer about the relationship between age and smartphone ownership from the column charts in parts a and b Which column chart (stacked or clustered) is best for interpreting this relationship Why