I already did the mean, median, and midrange, I just don't know if I'm correct these were my results : Mean: 24.5 Median: 16.5 Midrange: 40.5Range: there is no mode since none of the values repeat Note : Can you please just tell me if I'm correct in the answers that I answer and can you just answer d, e and f please

2 symbols X , M , S, J represent ? ( brief answers , not formulas ) , The following table represents a random sample of cars found in Jake's Junk Yard. Type number ofcars Nissan Toyota 9 97 22 GM 3 Ford 24 Volvo 80 VW 30 ge a) Find the mean, median, and midrange of the numbers in this data set. ?5 6 ) Find the modal class . ( ) Find the range . d) Find The standard deviation, ( show your work for the calculation.. ) e ) Make a pie graph that shows the percentage of cars that are Japanese ( Nand T) American ( GM and F), or European ( V and VW) ( So your " pie" should have 3 pieces. ) fl From this data, and anything else you can think of, can. you necessarily say that European cars are the least reliable cars on the market? ( Explain! )