![]() 3.5 Comparing Means from Different Populations.3.4 Confidence Intervals for the Population Mean.Hypothesis Testing with a Prespecified Significance Level.Calculating the p-value When the Standard Deviation is Unknown.Sample Variance, Sample Standard Deviation and Standard Error.Calculating the p-Value when the Standard Deviation is Known.3.3 Hypothesis Tests Concerning the Population Mean.Large Sample Approximations to Sampling Distributions.2.2 Random Sampling and the Distribution of Sample Averages.Probability Distributions of Continuous Random Variables.Probability Distributions of Discrete Random Variables.2.1 Random Variables and Probability Distributions. ![]()
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