Hi, I need help in solving this problem. I don't understand how to set up and solve. This problem has two additional parts to the question which cannot been seen until each part is answered. The additional part asks for variance with appropriate units and the final part asks the question: Are the statistics representative of the population of all cans of the same 14 brands consumed?

Listed below are measured amounts of caffeine (mg per 1202 of drink) obtained in one can from each of 14 brands. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are the statistics representative of the population of all cans of the same 14 brands consumed? 45 37 34 37 0 44 50 50 57 59 56 42 0 0 Q1 The range of the sample data is 59 mg per 1202 of drink. (Round to one decimal place as needed.) The standard deviation of the sample data is V (Round to one decimal place as needed.) brands. brandsz. mg per 1202 of drink. (mg per 1202 of drink)2. Enter your answer in the answer box and then click Check Answer. Pans r ' ' remaining ClearAll CheckAnswer H 4 ' y