The Students data file at the text websites www.pearsonhighered.com/mathstatresources and www.stat.ufl.edu/~aa/smss/data shows responses of a class of social science graduate students at the University of Florida to a questionnaire that asked about GENDER (1 = female, 0 = male), AGE, HSGPA

= high school GPA (on a four-point scale), COGPA =

college GPA, DHOME = distance (in miles) of the campus from your home town, DRES = distance (in miles) of the classroom from your current residence, TV = average number of hours per week that you watch TV, SPORT =

average number of hours per week that you participate in sports or have other physical exercise, NEWS = number of times a week you read a newspaper, AIDS = number of people you know who have died from AIDS or who are HIV+, VEG = whether you are a vegetarian (1 =

yes, 0 = no), AFFIL = political affiliation (1 = Democrat, 2 = Republican, 3 = independent), IDEOL = political ideology (1 = very liberal, 2 = liberal, 3 = slightly liberal, 4 = moderate, 5 = slightly conservative, 6 = conservative, 7 = very conservative), RELIG = how often you attend religious services (0 = never, 1 = occasionally, 2 = most weeks, 3 = every week), ABOR = opinion about whether abortion should be legal in the first three months of pregnancy

(1 = yes, 0 = no), AFFIRM = support affirmative action (1 = yes, 0 = no), and LIFE = belief in life after death (1 = yes, 2 = no, 3 = undecided). You will use this data file for exercises in later chapters.

(a) Practice accessing a data file for statistical analysis with your software by going to this website and copying this data file. Print a copy of the data file. How many observations

(rows) are there in the data file?

(b) Give an example of a question that could be addressed using these data with (i) descriptive statistics, (ii) inferential statistics.