11-18. A pilot survey was conducted with thirty respondents to examine Internet usage for personal (nonprofessional) reasons. The following table contains the resulting data giving each respondent’s sex (1 = male, 2 = female); familiarity with the Internet (1 = very unfamiliar, 7 = very familiar); Internet usage in hours per week; attitude toward Internet and toward technology, both measured on a 7-point scale (1 = very unfavorable, 7 = very favorable); and whether the respondent shopped or banked online (1 = yes, 2 = no).

a. Obtain the frequency distribution of familiarity with the Internet. Calculate the relevant statistics.

b. For the purpose of cross-tabulation, classify respondents as light or heavy users. Those reporting five hours or less usage should be classified as light users and the remaining as heavy users. Run a cross-tabulation of sex and Internet usage. Interpret the results. Is Internet usage related to one’s sex?

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Internet Usage Data Attitude Attitude Usage of Usage of Respondent Number Internet Toward Toward Internet: Internet: Sex Familiarity Usage Internet Technology Shopping Banking 1 1 7 14 7 6 1 1 23 2 2 23 23 3. 3 2 2 4 3 1 2 4 2 3 3 7 5 1 2 5 10 1 7 13 7 7 1 10 1 2 2 23 39 22 67899 4 6 2 5 4 4 1 5 2 6 5 4 2 6 15 19 6 4 1 7 6 1 122 NNN 2 2 2