Question

4EXERCISES Each Evercise Set assesses the following chapter learning objectives: M6, M7, PA, PS 2.42 in mgl and calories for 36 fast-food items. gave the following data on saturated fat (in grams), sodiunm 3.5 970 300 1120 315 4 350 60 3 a scatterplot using y = calories and x-fat. Dees it look like there is a relationship between fat and 450 200 1.5 1050 490 calories? Is the relationship what you expected? Explain. a scatterplot using y = calories and x = sodium. Write a few sentences commenting on the dif- ference between this scatterplot and the scatterplot from 560 230 570 290 1.5 1200 370 3.5 1215 285 2.5 1200 330 2.5 1160 390 3 1250 330 1040 220 260 800 320 3 1190 420 9 1090 120 1440 750 500 c Construct a scatterplot using y sodium and.x -fat. Does there appear to be a relationship between fat and sodium? 140 0 2.5 1120 330 0 520 760 d. Add a vertical line at x = 3 and a horizontal line at y 240 120 2.5 780 220 230 900 to the scatterplot in Part (c). This divides the scat- terplot into four regions, with some points falling into each region. Which of the four regions corresponds to 650 180 3 500 healthier fast-food choices? Explain Fat Sodium Calories Fat SodiumCalories 2 1042 268 2.43 The report "Trends in Higher Education" (www.college board.com) gave the accompanying data on smoking rates for people age 25 and older by education level. 180 921 a. Construct a time series plot for people who did not 3 250 260 4.5 490 290 51160360 graduate from high school, and comment on any trend over time. 2770 660

Answer 1

(a) there is some positive correlation between fat and calories, as more the fat more the caloreis

(b) here also there is positive correlation between sodium and calories,

(c) here points are scatterd and looking negative low correlation between sodium and fat

(d) quadrent/region II is best, as low sodium with high calories is good for health

please find the scatter plot in the following image with the help of ms-excel