![]() (c) In general, women’s foot length is shorter than men’s. Note that z-scores also allow us to compare values of different normal random variables. Since the mean is 11, and each standard deviation is 1.5, we get that the man’s foot length is: 11 + 2.5(1.5) = 14.75 inches. If z = +2.5, then his foot length is 2.5 standard deviations above the mean. ![]() What is his actual foot length in inches? (b) A man’s standardized foot length is +2.5. This foot length is 1.67 standard deviations below the mean. (a) What is the standardized value for a male foot length of 8.5 inches? How does this foot length relate to the mean? Details for Non-Parametric Alternatives in Case C-Q.Unit 4A: Introduction to Statistical Inference.Summary (Unit 3B – Sampling Distributions).Sampling Distribution of the Sample Mean, x-bar.Sampling Distribution of the Sample Proportion, p-hat.Conditional Probability and Independence.Linear Relationships – Linear Regression.Standard Normal Distribution » Biostatistics » College of Public Health and Health Professions » University of Florida
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