Having some trouble with this page on my review, not sure how to go about it. All information needed is presented in the attached image below. Would like some clarification and help on how to solve this to better understand the course material.

........ Chapter 4 Review 275 . . . . .."....... ............". Ford 19.4% General Motors Chrysler ourtion is 32.5% 8.9% Others 8.2% Japanese manufacturers 31.0% the mean the five- FIGURE 4.31 Passenger car sales by several manufacturers in 1997, for Exercise 4.64. 4.65 Who sells cars? Make a bar graph of the data in Exercise 4.64. What advan- tage does your new graph have over the pie chart in Figure 4.31? 4.66 Boys excel Is it true that boys perform better in the study of mathematics and the so-called hard sciences? Here are several Advanced Placement subjects and the percent of examinations taken by male candidates in 2001: Calculus BC, 61.45%; Computer Science AB, 89.06%; Chemistry, 55.62%; Physics-Mechanics, 73.37%; and Physics-Electricity, 77.67%. 16 (a) Explain clearly why we cannot use a pie chart to display these data even when we know the percent of exams taken by boys for every subject. (b) Make a bar graph of the data. To make comparisons easier, order the bars from tallest to shortest. 4.67 What about this graph? Figure 4.32 (next page) shows a graph that appeared in the Lexington (Kentucky) Herald-Leader of October 5, 1975. Discuss the correctness of this graph. 4.68 Finding the standard deviation The level of various substances in the blood influences our health. Here are measurements of the level of phosphate in the blood of a patient, in milligrams of phosphate per deciliter of blood, made on 6 consecutive visits to a clinic: 6.4 4.6