Introductory Biostatistics
(b)Odds ratios associated with frequent contacts: for physicians, 3.11; for nurses, 2.80;(c)odds ratios are similar but larger f ...
1.41 For age at first live birth, with ‘‘28 or older’’ group as baseline: Age Odds Ratio < 22 0.51 22–24 0.65 25–27 0.76 For ...
Action Level Odds Ratio Rarely 1.93 Occasionally 24.3 Frequently 33.8 Very frequently 5.2 (b)The general odds ratio is 6.15; giv ...
2.19 xs^2 s Treatment 651.9 31,394.3 177.2 Control 656.1 505.1 22.5 2.20 (a)x¼ 169 :0, mean is lower than LA’s;s^2 ¼ 81 :5,s¼ 9 ...
2.30 Measure Value Pearson’s 0.786 Kendall’s 0.619 Spearman 0.767 2.31 Measure Standard Test Pearson’s 0.940 0.956 Kendall’s ...
3.3 (a)0.202;(b)0.217;(c)0.376;(d)0.268. 3.4 Positive predictive value for population A: 0.991, for population B: 0.900. 3.5 (a) ...
3.22 (a)Right of 5.991: 0.05; right of 9.210: 0.01;(b)right of 6.348: between 0.01 and 0.05;(c)between 5.991 and 9.210: 0.04. 3. ...
4.9 Assay Parameter 95% Confidence Interval Dupont’s Sensitivity ð 0 : 820 ; 1 : 0 Þ Specificity ð 0 : 971 ; 1 : 0 Þ Cellular Pr ...
(b)Odds ratio¼ ð 177 Þð 26 Þ ð 11 Þð 233 Þ ¼ 1 : 78 exp ln 1: 78 G 1 : 96 ffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi ...
4.22 Group 95% Confidence Interval Females ð 63 : 2 ; 152 : 0 Þ Males ð 76 : 3 ; 119 : 3 Þ 4.23 x¼ 0 : 22 s¼ 0 : 66 SEðxÞ¼ 0 : 1 ...
Chapter 5 5.1 (a)H 0 :m¼30;HA:m>30;(b)H 0 :m¼ 11 :5;HA:m 011 :5;(c)hypoth- eses are for population parameters;(d)H 0 :m¼ 31 : ...
5.11 UnderH 0 :z¼ 0 : 22 0 : 25 0 : 043 ¼ 0 : 70 ; a¼ 0 : 242 UnderHA:z¼ 0 : 22 0 : 15 0 : 036 ¼ 1 : 94 ; b¼ 0 : 026 The ne ...
6.3 z¼ð 264 249 Þ= ffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi 264 þ 249 p ¼ 0 : 66 ; pvalue¼ 0 : 5092 orw ...
For Women: Myocardial infarction:w^2 ¼ 4 :09;pvalue< 0 :05. Coronary death:w^2 ¼ 2 :62;pvalue> 0 :05. 6.22 Myocardial infa ...
6.23 For 25a44 years: a¼ 5 r 1 c 1 n ¼ 1 : 27 r 1 r 2 c 1 c 2 n^2 ðn 1 Þ ¼ 1 : 08 For 45a64 years: a¼ 67 r 1 c 1 n ¼ 32 : 98 r ...
z¼ ð 20 9 : 39 Þþð 37 21 : 46 Þþð 9 7 : 63 Þ ffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiff ...
C¼ 95 ; 216 D¼ 71 ; 846 S¼ 23 ; 270 sS¼ 11 ; 721 : 57 z¼ 1 : 99 ; pvalue¼ 0 : 0233 6.29 C¼ 2 ; 442 ; 198 D¼ 1 ; 496 ; 110 S¼ 946 ...
7.4 SEðdÞ¼ 1 : 13 t¼ 3 : 95 ;59 df; pvalue¼ 0 : 0002 7.5 d¼ 1 : 10 sd¼ 7 : 9 SEðdÞ¼ 1 : 72 t¼ 0 : 64 ;20 df; pvalue> 0 : 20 ...
7.13 Treatment:x 1 ¼ 701 :9,s 1 ¼ 32 :8; control:x 2 ¼ 656 :1,s 2 ¼ 22 :5. sp¼ 29 : 6 t¼ 3 : 45 ;17 df; p< 0 : 01 7.14 sp¼ 9 ...
7.18 Source of Variation SS df MS FStatistic pValue Between samples 55.44 2 27.72 2.62 0.1059 Within samples 158.83 15 10.59 Tot ...
«
19
20
21
22
23
24
25
26
27
28
»
Free download pdf