The Essentials of Biostatistics for Physicians, Nurses, and Clinicians
2.5 Generating Bootstrap Samples 31 Bootstrap sample 1 : 69386, 71708, 88608, 67251, and 00169 cor- responding to patients E, E, ...
32 CHAPTER 2 Sampling from Populations suggested, 10 is not a large number, and you can see that since the original sample mean ...
2.6 Exercises 33 Why would a convenience sample of the elderly on vacation in Hawaii probably not be representative of the elde ...
34 The Essentials of Biostatistics for Physicians, Nurses, and Clinicians, First Edition. Michael R. Chernick. © 2011 John Wiley ...
3.3 Frequency Histograms 35 units are fi ne and the possible values are large, it makes more sense to treat the data as though i ...
36 CHAPTER 3 Graphics and Summary Statistics Table 3.1 Body Mass Index: Sample of 120 U. S. Adults 27.4 31.0 34.2 28.9 25.7 37.1 ...
3.3 Frequency Histograms 37 Table 3.3 Frequency and Cumulative Frequency Histogram for BMI Data Class interval for BMI levels Fr ...
38 CHAPTER 3 Graphics and Summary Statistics 3.4 STEM - AND - LEAF DIAGRAMS John Tukey devised a quick way to summarize the data ...
3.6 Bar and Pie Charts 39 two digits. The way to reconstruct the data from the diagram is as follows: The interval with the stem ...
40 CHAPTER 3 Graphics and Summary Statistics Figure 3.2. Explanation of box-and-whisker plots (taken from the Cartoon Guide to S ...
3.6 Bar and Pie Charts 41 there is no natural order exhibited. The bar chart can also be used when there is no natural order, bu ...
42 CHAPTER 3 Graphics and Summary Statistics Figure 3.4. Pie chart for Pugh level for 24 children with liver disease. 12 3 4 567 ...
3.7 Measures of the Center of a Distribution 43 Of these fi ve, we will only discuss the most common: 1, 4, and 5. The next cart ...
44 CHAPTER 3 Graphics and Summary Statistics Figure 3.6. Defi nitions for the sample median: even and odd cases (taken from the ...
3.7 Measures of the Center of a Distribution 45 * A continuous distribution has an infi nite mean if = xf ( x ) dx = ∞ , where f ...
46 CHAPTER 3 Graphics and Summary Statistics The mean, median, and mode may all be different in the bimodal case. In the symmetr ...
3.8 Measures of Dispersion 47 interquartile range; mean absolute deviation; and standard deviation. We have already encountere ...
48 CHAPTER 3 Graphics and Summary Statistics Figure 3.8. Properties of the sample mean and sample standard deviation (taken from ...
3.8 Measures of Dispersion 49 (i.e., are independent and identically distributed normal random vari- ables), the unbiasedness of ...
50 CHAPTER 3 Graphics and Summary Statistics Chebyshev ’ s inequality : The interval [ μ − k σ , μ + k σ ] contains at least 100 ...
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