Can my tutor please answer the following questions and explain them.

Automobile Selling Prices Find the weighted mean price of three models of automobiles sold. The number and price of each model sold are shown in this list. $9866.67 Model Number Price 8 $10,000 10 12,000 12 8,000 Skycoaster 365,000 High-flyer 12 725,000 27. Final Grade An instructor grades exams, 20%; term paper, 30%; final exam, 50%. A student had grades of 83, 72, and 90, respectively, for exams, term paper, and final exam. Find the student's final average. Use the weighted mean. pg.15Teacher Strikes In Pensylvania the numbers of teacher strikes for the last 14 years are shown. Construct a dotplot for the data. Comment on the graph. 9 10 14 18 17. 50 Home Run Club There are 43 Major League baseball players (as of 2015) that have hit 50 or more home runs in one season. Construct a stem and leaf plot and analyze the data 53 pg. 121 3.1 95 105 50 Roller Coaster Speeds The data show the heights in feet of 14 roller coasters. Find the mean, median, midrange, and mode for the data. 125 102 102 120 118 160 91 160 95 50 84 3. Length of School Years The lengths of school years in a sample of variou d are shown. Find the mean, median, midrange, and mode of the data. 251 243 226 216 196 Source: U.S. News and World Report. 123 11. Distances of Stars Of the 25 brightest stars, the distances from earth (in light-years) for those with distances less than 100 light-years are found below. Find the mean, median, mode, and midrange for the data. 8.6 36.7 42.2 16.8 33.7 879 4.4 25.3 11.4 65.1 25.1 Source: New York Times Almanac 2010. pg. 13Wind Speeds The data show the maximum wind speeds for a sample of 40 states. Find the mean and modal class for the data. Class boundaries Frequency 47.5-54.5 $4.5-61.5 61.5-68 5 68.5-75.5 IN W 0 5 10 N W 75.5-82.5 82 5-89.5 89 5-96.5 15. Points in Rose Bowl Games The data show the number of points the winning team scored in the Rose Bowl. Find the mean and modal class for the data. Class Frequency 14- 20 10 21-27 28-34 35-4 42-4 49-5 pg. 14