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Week 3: MyStatlab QurXO Take a Test iynnette Hic Gp Google Six .> cle secure l https://www. px?canvas assignment point possible=60&ext; outcomes tool placement url https%3a92f%2fde ryu.instructure.com%2tap %. T Applied Managerial Statistics Quiz: Week 3 Quiz Time Remaining: 01.26.10 Submit Quiz This Question:3 11 of 14 (10 complete This Quiz: 60 pls possible The mean value of land and buildings per acre from a sample of farms is $1200, with a standard deviation of $200 The data set has a bell shaped distribution. Using the ompirical rule, delermine which of the following farms, whose land and buildíing vakues per acre are given are unusual (more than two standard deviations from the mean) Are any of the data values very unusual (mare than three standard deviations from the mean? $1217 31732 31483 $564 $915 $1384 Which of the farms are unusual (more than two standard deviations from the mean)? Select all that apply A. $1217 B. $915 C. $1732 D. S564 E. $1384 F, $1453 Which of the farms are very unusual (more than three standard deviations from the mean)? Select al that apply A, S564 B. $915 C: $1483 D. S1732 E, $1217 G. none of the data Click to select your answers) values an very unusual 11:24 AM O Type here to search

Explanation / Answer

a) Mean = 1200

SD = 200

2 SD away: 1200 - 2 * 200, 1200 + 2*200

2 SD away = 800, 1600

So, 1732 is unusual

b) 3 SD away: 1200 - 3 * 200, 1200 + 3 * 200

3 SD away = 600, 1800

So, 564 is very unusual

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