Question

In Exercises correlation coefficient r, and (c) describe the type of correlation and interpret the correlation in the context of the data 1-4, (a) display the data in a scatter plot, (b) calculate the sample e numbers of pass attempts and passing yards for seven professional quarterbacks for a recent regular season (Souee National Football Lcugne Pass attempts, 449 565 528 197 670 351 218 Passing yards, y 3265 4018 3669 1141 5177 2362 1737 2. The numbers of wildland fires (in thousands) and wildland acres burned (in millions) in the United States for eight yearsSoturee: National Interagency Fires, x 84.1 73.5 63.6 65.5 66.8 96.4 85.7 79.0 Acres, y 3.6 7.2 4.0 8.1 8.7 9.9 9.3 5.3 3. The intelligence quotients (IOs) and brain sizes, as measured by the total pixel count (in thousands) from an MRI scan, for nine female college students adptd from Imelligenee 138 140 96 83 101 135 85 77 88 Pixel count, y 991 856 879 865 808 791 799 794 894 4.) The annual per capita sugar consumptions (in kilograms) and the average numbers of cavities of 11- and 12-year-old children in seven countries Sugar consumption, x 2.1 5.0 6.36.5 7.78.7 11.6 Cavities, y 0.59 1.51 1.55 1.70 2.18 2.10 2.73

#4 only!!! show work if needed

Answer 1

scatter diagram 2.5 cavity 1.5 0.5 10 12 14 sugar consumption

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