ECON 120A Week 2.pdf - ECON 120A Week 2 Review Questions Pietro Emilio Spini October 8 2019 c 2019 Pietro Emilio Spini All rights reserved Copyright You

ECON 120A Week 2.pdf - ECON 120A Week 2 Review Questions...

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ECON 120A: Week 2 Review Questions Pietro Emilio Spini October 8, 2019 Copyright c 2019 Pietro Emilio Spini. All rights reserved You may not and may not allow others to reproduce or distribute lecture notes and course materials publicly whether or not a fee is charged without my express written consent. 1 Exercise 1. (Spring 2012) The ages of a random sample of 33 young people who attended a school event are as follows: Age Frequency 2 1 3 1 4 3 5 1 6 4 7 3 8 3 9 6 10 3 11 4 12 1 14 1 16 1 21 1 Find the sample median. Show your work. Find the sample mean. Show your work Find the inter-quartile range (use the method taught in lectures to compute the quar- tiles). Show your work. Draw the box-plot. 1 Persons who publicly distribute or display or help others publicly distribute or display copies or modified copies of an instructor’s Course Materials may be considered in violation of the University Code of Student Conduct, Part 9(k).” 1
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Exercise 2. (Spring 2013) Following is a histogram of salaries (in $) for a sample of U.S. marketing managers, as well
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