help me to complete homework using excel

1. [40%] The US EPA has tested the average fuel efficiency of 24 late-model cars. The results obtained are shown below Sample Mileage (mpg) Sample Mileage (mpg) 22.9 13 25.5 23.9 14 22.2 21.4 15 21.7 25.4 16 23.5 23.9 17 27.1 24.4 18 23.0 23.1 19 23.9 10 00 22.0 20 23.6 25.4 21 19.2 10 20.7 22 22.7 21.4 23 26.0 12 22.8 24 21.3 Enter the data into an Excel spreadsheet and then analyze the data as follows: (a) Determine the mean, median, min, max and standard deviation (b) Determine which sample has the best fuel efficiency and why (c) Plot sample data and curve fitting using linear method (show the fitted curve) 2. [30%] The horizontal displacement of an object is given as a function of time as follows. x = Xoe- Bt [cos(wt) + Psin(wt)] Prepare a table of x versus t over the interval 0 s t