BSB123 Tutorial 03 - Numerical descriptive measures

BSB123 Tutorial 03 - Numerical descriptive measures -...

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Tutorial 3: Numerical Descriptive Measures Reading Topic* Chapter Sections Page 3 3 3.1 3.4 3.5 Summary Appendix 3 60 – 78 (ex. Geometric Mean) 88 - 96 98 102 - 103 DON’T FORGET TO WORK THROUGH Appendix 3 – it will help you with Excel! Online quiz 3 MathXL exercises – Homework for tutorial 3 Section A (Attempt before tutorial - Solutions provided on Blackboard) Problem 3.2 page 79 Problem 3.6 page 79 Problem 3.14 page 80 Problem 3.40 page 96 Section B (Worked through in class - Solutions provided in class) Problem 3.3 page 79 The set of data below is from a sample of n = 7: 12 7 4 9 0 7 3 (a) Calculate the mean, median and mode. (b) Calculate the range, interquartile range, variance, standard deviation and coefficient of variation. Problem 3.9 page 79 [Use EXCEL for this question] The supervisor of a tourist information desk at a local airport is interested in how long it takes an employee to serve a customer. For a sample of 12 customers, she measures the amount of time taken to serve each one. These times, measured in minutes, are reported
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BSB123 Tutorial 03 - Numerical descriptive measures -...

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