Ch. 10: Summarizing the Data. Criteria for Good Visual Displays. Clarity Data is represented in a way closely integrated with their numerical meaning. Precision Data is not exaggerated. Efficiency Data is presented in a reasonably compact space. Frequency Distribution Example.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Variance: Mean of the squared deviations of the scores from its mean
Standard Deviation: Square root of the varianceMeasures of Spread: Variance and Standard Deviation
Descriptive Formula Deviation
Called the “unbiased estimator of the population value”Variance: Descriptive vs. Inferential Formulas
Standard Normal Distribution: Mean is set equal to 0, Standard deviation is set equal to 1