Students in the ACHA€“NCHA survey were asked €˜€˜Within the last 12 months, has stress negatively affected your academics?€ Figure 2.4(a) shows a segmented bar chart for response frequencies while Figure 2.4(b) shows a segmented bar chart for response relative frequencies as percents. Possible responses were €˜€˜I haven€™t had any stress,€ shown in red, €˜€˜I€™ve had stress but it hasn€™t hurt my grades,€ shown in green, or €™€™I€™ve had stress and it has hurt my grades,€ shown in blue.

Figure 2.4

a.

b.

(a) Did more males or more females answer the survey or did approximately equal numbers of males and females participate? Is graph (a) or (b) more helpful to answer this question?

(b) Did a greater number of males or females say they had no stress or is it approximately equal between males and females? Is graph (a) or (b) more helpful to answer this question?

(c) Did a greater percent of males or females say they had no stress or is it approximately equal between males and females? Is graph (a) or (b) more helpful to answer this question?

(d) Did a greater percent of males or females say that stress affected their grades or is it approximately equal between males and females? Is graph (a) or (b) more helpful to answer this question? 

Use data on college students collected from the American College Health Association€“National College Health Assessment survey conducted in Fall 2011. The survey was administered at 44 colleges and universities representing a broad assortment of types of schools and representing all major regions of the country. At each school, the survey was administered to either all students or a random sample of students, and more than 27,000 students participated in the survey.  

Transcribed Image Text:

20,000 Response Stress affected grades Stress, but no effect No stress 15,000 - 10,000 - 5000 Male Female Response Stress affected grades Stress, but no effect 100. 80 . No stress 60 - 40 - 20 - Male Female