Basic Statistics
CHAPTER 10 CATEG 0 R I CAL DATA: P RO PO RT I0 N S In previous chapters, the data considered were in the form of continuous (int ...
126 CATEGORICAL DATA: PROPORTIONS In Section 10.1, methods for calculating the population mean and variance from a single popula ...
SINGLE POPULATION PROPORTION 127 Figure 10.1 Pie chart of proportion of successes and complications. Figure 10.2 Bar chart of co ...
128 CATEGORICAL DATA: PROPORTIONS :& (a; , 0.2 0 0.2 0.4 0.6 0.8 LOP (cJ R = .2,n = 10 wu 0 0.2 0.4 0.6 p ii :ha.5t;;5h u ,e ...
THE NORMAL APPROXlMATiON TOTHE BINOMIAL 129 Figure 10.4 Proportion of p from .08 to .32. 10.3 THE NORMAL APPROXIMATION TOTHE BIN ...
130 CATEGORICAL DATA: PROPORTIONS about 86.64% of the sample proportions lie between .08 and .32. Thus 86.64% of sample proporti ...
CONFIDENCE INTERVALS FOR THE DIFFERENCE IN TWO PROPORTIONS 131 and in order to make a 95% confidence interval just as for the po ...
132 CATEGORICAL DATA: PROPORTIONS illness who are treated medically. Or comparison may be made of the proportion of women who ha ...
TESTS OF HYPOTHESIS FOR POPULATION PROPORTIONS 133 The 95% confidence interval is then (.90 - .80) f. 1.96(.05) = .10 k .098 or ...
134 CATEGORICAL DATA: PROPORTIONS 70 80 90 P -1.77 0 1.77 L Figure 10.5 Two-sided test of Ho : ri = .80. We wish to calculate P, ...
TESTS OF HYPOTHESIS FOR POPULATION PROPORTIONS 135 .10 0 .lo P*-P2 -2.0 a 2.0 2 Figure 10.6 Two-sided test of HO : TI = 7r2. T ...
136 CATEGORICAL DATA: PROPORTIONS In the example, .10 - ‘00 .05 =2 From Table A.2, the area in the upper tail is 1 - .9772 = .02 ...
DATA ENTRY AND ANALYSIS USING STATISTICAL PROGRAMS 137 An approximate estimate of the needed sample size, n, in each group is co ...
138 CATEGORICAL DATA: PROPORTIONS statement will produce tables that give you the proportions needed to test the equality of the ...
REFERENCES 139 to either control (n = 142) or the new educational program (n = 140), and their prescriptions of the analgesic we ...
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CHAPTER 11 CATEGORICAL DATA: ANALYSIS OF TWO-WAY FREQUENCY TABLES In Chapter 10 we discussed the analysis of categorical or nomi ...
142 CATEGORICAL DATA: ANALYSIS OF TWO-WAY FREQUENCY TABLES 11.1 DIFFERENT TYPES OF TABLES Since the analyses performed and the i ...
DIFFERENTTYPES OFTABLES 143 Table 11.1 Illustrating Counts (A) and Symbols (B): Single Sample A. Association Between Smoking and ...
144 CATEGORICAL DATA: ANALYSIS OF TWO-WAY FREQUENCY TABLES Table 11.3 Outcomes for Experimental and Standard Treatment: Two Samp ...
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