Interpretation and uses of medical statistics /
yazarlar, Leslie E. Daly, Geoffrey J. Bourke.
- 5th ed.
- 1 online resource (xiii, 568 pages) : illustrations.
Previous editions entered under: Bourke, Geoffrey J.
Includes bibliographical references and index.
Describing Data--A Single Variable -- Types of data -- Qualitative data--simple tables and bar charts -- Picturing quantitative data -- Shapes of distributions -- Measures of central value -- Other measures of location--quantiles -- Measures of dispersion -- Probability, Populations and Samples -- Probability -- Populations and samples -- Associations: Chance, Confounded or Causal? -- Examining associations -- Interpreting associations -- Associations due to chance -- Associations due to bias or confounding -- Causal associations -- Confidence Intervals: General Principles; Proportions, Means, Medians, Counts and Rates -- The normal distribution -- Sampling variation--proportions -- Confidence intervals for a proportion -- Sampling variation--means -- Confidence intervals for a mean -- Confidence intervals for a geometric mean -- Confidence intervals for a median -- Confidence intervals for a count or rate -- Hypothesis Testing: General Principles and One-sample Tests for Means, Proportions, Counts and Rates -- The null and alternative hypotheses -- The significance test -- Relationship with confidence intervals -- One-sided and two-sided tests -- General structure of a significance test: the one-sample z test for a mean -- Non-significant results and power: type I errors, type II errors and sample size -- The one-sample t test for a mean -- The one-sample z test for a proportion -- The one-sample x[superscript 2] test for many proportions -- The one-sample z test for counts or rates.