Tablet PC Comparison provides a wide variety of information about tablet computers. Their website enables consumers to easily compare different tablets using factors such as cost, type of operating system, display size, battery life, and CPU manufacturer. A sample of 10 tablet computers is shown in Table 1.6 (Tablet PC Comparison website).

a. How many elements are in this data set?
b. How many variables are in this data set?
c. Which variables are categorical and which variables are quantitative?
d. What type of measurement scale is used for each of the variables?

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TABLE 1.6 PRODUCT INFORMATION FOR 10 TABLET COMPUTERS Display Size Battery Life Operating System Tablet Cost ($) (inches) (hours) Acer Iconia W510 599 Windows 10.1 8.5 Amazon Kindle Fire HD 299 Android 8.9 Apple iPad 4 499 iOS 9.7 HP Envy X2 860 Windows 11.6 668 Windows 10.1 899 Windows 10.6 530 Android 10.1 Lenovo ThinkPad Tablet Microsoft Surface Pro Motorola Droid XYboard Samsung Ativ Smart PC Samsung Galaxy Tab Sony Tablet S 590 Windows 11.6 525 Android 10.1 360 Android 9.4 918 11 10.5 4 9 7 10 8 CPU Manufacturer Intel TTOMAP. Apple Intel Intel Intel TIOMAP Intel Nvidia Nvidia