Chapter 3-1 - Chapter 3 Descriptive Statistics: Numerical...

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Unformatted text preview: Chapter 3 Descriptive Statistics: Numerical Methods Part 1 1 Chapter 3 - Descriptive Statistics: Numerical Methods DSC 205 A/E/L Recall our age example from chapter 2 excel file: 2 2 4 6 8 10 12 Distribution per age group of 50 random people selected Age group Frequency Chapter 3 - Descriptive Statistics: Numerical Methods DSC 205 A/E/L 3.1 Measures of Central Tendency Mean Population Mean () vs. Sample Average( ) Example: We are trying to estimate the mean salary for all Miami Employees. We randomly collected data from 2 Associate Professors, 1 3 $93,000 $101,000 $35,000 $43,000 $55,000 $209,000 Chapter 3 - Descriptive Statistics: Numerical Methods DSC 205 A/E/L Median Scenario 1. Odd number of values Scenario 2. Even number of values Example: What is the median in our Miami Employee example?...
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Chapter 3-1 - Chapter 3 Descriptive Statistics: Numerical...

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