MATH 131 Unit 1 4/21 Class Activity 2. A sample of 100 adults was asked the same question. Their answers are listed in this table. x, meals eaten out per week U14>WNH _ ' 2. Find the standard deviation for this data set using the formula S = 20611:) f Again be sure to find the mean first. 2_ 25 b '_ Z. P; u/ 100 f = 2(x-f) Tl Swot/Jaw Extend your thinking: a) Create a frequency histogram for #2. b) Refer to examples on p. 87 in book. c) Do you think the standard deviation in #1 would be larger or smaller than the one you just computed in #2? d) Use Minitab or Excel to find the standard deviation for #1