2017 FALL MATH 2020 APPLIED STATISTICS (1) est: final exam first attempt 02.54:1

Question

2017 FALL MATH 2020 APPLIED STATISTICS (1) est: final exam first attempt 02.54:15 Submit Tert This Que 1 pt This Test: 30 pts the measures of variation for someone searching for a room? 167 135 104 211 198 The range of the sample data is (Round to one decimal place as needed.) (Round to one decimal place as How uselui are the measures of varlation for someone searching for a room? not want to buy a room where the vanation is too O A. The measures of variation are very uselul because a person does O B. The measures of variation C. Tho measues of vanation are very useful because a person does not want to buy a som what he woon t by- the values are n al data that do fot measure or cort anyting, so resuting stases ae mean aesa O D. The measures of variation are not very useful because when searching for a room, low prices, location, and

Explanation / Answer

a) range = maximum - minimum = 286 - 99 = 187

b) Mean = (286 + 167 + 99 + 135 + 104 + 211 + 196 + 264) / 8 = 182.75

Sample variance = [(286 - 182.75)2 + (167 - 182.75)2 + (99 - 182.75)2 + (135 - 182.75)2 + (104 - 182.75)2 + (211 - 182.75)2 + (196 - 182.75)2 + (264- 182.75)2] / 7 = 4854.21

Sample standard deviation = sqrt(4854.21) = 69.67

c) Option-A)

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