Question: Consider the information about selected cell phones shown in Table 2.6.5. a. What is an elementary unit for this data set? b. Is this a

Consider the information about selected cell phones shown in Table 2.6.5.

a. What is an elementary unit for this data set?

b. Is this a univariate, bivariate, or multivariate data set?

TABLE 2.6.5 Information About Cell Phones Operating System Screen Model Price Size Android Small $499 Samsung Galaxy S5

c. Is this a cross-sectional or time-series data set?

d. Is “Operating System” quantitative, ordinal, or nominal?

e. Is “Price” quantitative, ordinal, or nominal?

f. Is “Screen Size” quantitative, ordinal, or nominal?

TABLE 2.6.5 Information About Cell Phones Operating System Screen Model Price Size Android Small $499 Samsung Galaxy S5 4G LTE KitKat 489 Motorola Google Android Large Lollipop Nexus 6 Android Medium LG G3 D855 4G LTE 399 KitKat iOS 8 Apple iPhone 6 809 Small Microsoft Lumia 640 Windows 289 Large Phone XL RM-1096 Source: Accessed at https://www.kogan.com and at http://www. google.com on October 12, 2015. Large screen is at least 5.7", small is up to 5.2", medium is in between.

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