'Independent populations' presentation slideshows

Inferential Statistics: Hypothesis Testing

Inferential Statistics: Hypothesis Testing. Hypothesis Testing Testing Population Means. Inferential Statistics. Estimation Estimate population means Estimate population proportion Estimate population variance Hypothesis testing Testing population means

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Inferences from Two Samples

Inferences from Two Samples. Two Samples from Independent Populations. An independent consumer group tested radial tires from two major brands to determine whether there were any differences in the expected tread life (thousands of miles). The summary data is below:.

293 views • 15 slides

Review - Sum of Normal Random Variables

Review - Sum of Normal Random Variables. The weighted sum of two independent normally distributed random variables has a normal distribution. Example. Two Sample Problem. Sometimes we will be interested in comparing means in two

296 views • 7 slides