Suppose I want to know how many household pets Americans have owned in their lifetimes before they turn 30 years old. I select a sample of 3 Americans, each of whom is 30 years old, and ask them how many pets they have owned in their lifetimes. The first person I ask has owned 6 animals, the second person has owned 2, and the third person has owned 11. Please answer the following questions based on these data. Calculate and report the variance for this distribution. What is the standard deviation? Show me how you calculated it. What does the standard deviation tell you for this example? When calculating the standard deviation, you had to decide whether to use N or n - 1 in the denominator. Which did you use, and why? Calculate and report the range for this distribution. Please show me how you calculated the range. What are the three words that describe a normal distribution? What do each of them mean? Draw a normal distribution and explain the “66-95-99.7 rule.”

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Answered: Suppose I want to know how many…

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose I want to know how many household pets Americans have owned in their lifetimes before they turn 30 years old. I select a sample of 3 Americans, each of whom is 30 years old, and ask them how many pets they have owned in their lifetimes. The first person I ask has owned 6 animals, the second person has owned 2, and the third person has owned 11. Please answer the following questions based on these data.