Math 150, Fall 2021 El Camino College G. Song Section 3.2: Measures of Variation 2: The following data represents the scores of one exam for all the students. Use your TI calculator to display a summary statistics for this data set. (STAT = CALA = 1-Var Stats) 80 100 61 61 98 99 43 74 100 95 67 35 97 44 40 74 100 94 39 54 35 72 91 80 54 68 36 44 84 44 89 53 64 53 35 63 61 86 67 87 99 53 52 72 92 88 90 83 a: With the summary statistics on your calculator, what are the population mean and population standard deviation? 0 = b: Get a sample from the above data set by selecting every 6th value (the first data value will be the 6th data value). List the data set on the table on part d (You can do it row-wisely or column-wisely.) c: From the sample data of part b, calculate the sample mean by a = n d: Complete the table below x - xbar (x-xbar) E(x - I)2 e: Use the formula s = n -1