affluence of the community as measured by per lationship hool system and the capita income? b. Compute column percentages. Are high- or low- income communities more likely to have high- quality schools? Per Capita income Low Quality High Totals 16 Polit View Low 8. 24 High 17 26 25 25 Libe Totals 50 Mo Co SOC A program of pet therapy has been running To at a local nursing home. Are the participants in the program significantly more alert and sive than nonparticipants? (Remember to compute column percentages to identify the pattern of the respon- 10 relationship.) onea Participation? Yes No Totals Alertness 29 alsto 38 11 18 Low 23 15 High 67 Totals 34 10.9 |SOC Is there a statistically significant relation- ship between length of marriage and satisfaction with marriage? The necessary information has 333

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Bar Graphs

A bar graph is a chart or graphical representation of data. A bar chart, also known as a bar graph, is a graph or chart that displays categorical data using rectangular bars with heights or lengths equal to the values they represent. Typically, bar graphs show categorical and numerical variables grouped in class intervals. A bar graph is useful for comparing and analyzing a set of data.