-16.5 Points] DETAILS MENDSTATC4 2.E.018. You are given n = 8 measurements: 4, 4, 7, 6, 4, 6, 6, 8. (a) Calculate the range, 4 (b) Calculate the sample mean, x. x-5625 MY NOTES ASK YOUR TEAC (c) Calculate the sample variance, s2, and standard deviation, s. (Round your variance to four decimal places and your standard deviation to two decimal places.) 2-22678 s-1.51 (d) Compare the range and the standard deviation. The range is approximately how many standard deviations? (Round your answer to two decimal places.) standard deviations Enter a number. Need Help? Read Show My Work (optional) Viewing Saved Work Revert to Last Response Submit Answer MY NOTES ASK YOUR TE