Show and explain all steps in calculating the mean and standard deviation of the data set assigned to you. You must show your work, not just give the answers. It may be helpful to organize your work/steps in a table. If you used any technology to aid you in this process, explain how each step was aided by the technology. Use the Descriptive Statistics video in Resources.When finding the standard deviation for a sample, explain the importance in dividing by n-1 rather than just n.Also explain the impact, if anything at all, to the mean and standard deviation if all of the values in a dataset are doubled Prices (in dollars) of cordless phones at an electronics store: 38, 52, 60, 66, 75, 65, 81, 100, 85, 59, 120, 100, 70, 40, 40, 82, 54, 117, 65, 112, 84, 69, 119, 125, 122, 121, 109, 87, 92, 101, 89, 94, 48, 73, 81

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6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Show and explain all steps in calculating the mean and standard deviation of the data set assigned to you. You must show your work, not just give the answers. It may be helpful to organize your work/steps in a table. If you used any technology to aid you in this process, explain how each step was aided by the technology. Use the Descriptive Statistics video in Resources.
1. When finding the standard deviation for a sample, explain the importance in dividing by n-1 rather than just n.
2. Also explain the impact, if anything at all, to the mean and standard deviation if all of the values in a dataset are doubled
3. Prices (in dollars) of cordless phones at an electronics store: 38, 52, 60, 66, 75, 65, 81, 100, 85, 59, 120, 100, 70, 40, 40, 82, 54, 117, 65, 112, 84, 69, 119, 125, 122, 121, 109, 87, 92, 101, 89, 94, 48, 73, 81

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