1. Calculate the mean, median, and mode for the data set be data set? How do you know? Recalculate the mean, median, and mode once the outlier(s) are removed. How did that change your results? Explain. [Chapter 3, Section 4, 8] 53 68 75 83 55 57 15 81 77 (9 pts) 2. The numbers below are the pulse rates of forty-five students. Using Excel, arrange the data in order of size then find the following: median, mean, mode, range. Copy and paste your results. [Chapter 3, Section 4, 8, 13] (5 pts) 74 76 65 77 83 75 87 89 68 85 64 96 80 70 85 80 80 82 81 71 90 87 71 72 62 78 77 90 81 73 80 78 81 81 75 79 78 74 82 88 94 82 66 72 3. Final exam grades in a particular course were normally distributed with a mean of 81 and a standard deviation of 3. [Chapter 7, section 2, 4] (6 pts) a. What range includes 68% of the sample? b. What range includes 95% of the sample? c. What is the median grade? Your name here please d. Insert a picture (or create) a bell curve to represent this situation - be sure to label it for this