Vital Statistics Probability and Statistics for Economics and Business

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Presentation transcript:

Vital Statistics Probability and Statistics for Economics and Business William H. Sandholm University of Wisconsin-Madison Brett A. Saraniti Northwestern University Chapter 17 Inference from Small Samples

Figure 17.1: Some t(d) densities and the standard normal density.

Figure 17.2: The definition of t-value.

Table 17.1: t-values and z-values for various numbers of degrees of freedom and tail probabilities

Figure 17.3: Using the distributions.xlsx workbook.

Figure 17.4: t_statistic_uniform.xlsx

Figure 17.5: t_statistic_exponential.xlsx

Figure 17.6: normal_QQ_plots.xlsx/normal

Figure 17.7: normal_QQ_plots.xlsx/uniform

Figure 17.8: normal_QQ_plots.xlsx/exponential