1. Do not use your calculator for this one. Write out the formulas and show your work. Round your answers to 3 decimal places. (You'll be able to use your calculator on the problems after this one.) (4 points) You're given a sample with n=8 measurements: 3, 1, 5, 6, 4, 4, 3, 5. A. Calculate the range (maximum value - minimum value). data list printed in your data is in L "(the i key has [LI] as Its B. Calculate the sample mean. istics and C. Calculate the sample variance and sample standard deviation. D. The range is approximately how many sample standard deviations?For each calculation, use the symbol for the measure you are calculating. For example, if you're calculating a sample mean, use the symbol x when referring to your answer. When referring to the variance, use the symbols s2 and o. Instructions Don't forget to include units in your answers