01209nam a2200169 a 450000100080000000500110000800800410001902000180006010000230007824500690010126000280017030000110019852007620020965000170097165300240098865300270101218567282010-07-05 1984 bl uuuu 00u1 u #d a0-333-35275-01 aWILLIAMS, R. B. G. aIntroduction to statistics for geographers and earth scientists. aLondon: MacMillanc1984 a349 p. aThe aims of statistics; Types of numerical data; Populations and samples; Probability and randomness; Frequency distributions; Measures of central tendency; Measures of dispersion and skewness; The binomial and Poisson distributions; The normal and log-normal distributions; Hypothesis testing: an introduction; One-sample tests based on z an t; Interval estimation based on z and t; Paired-sample tests based on t and w; Two-sample tests based on f , t and u; Chi-square tests; The binomial test and lilliefors`test; The product-moment coefficient of correlation; The interpretation of correlation coefficients; Linear regression; Confidence limits and significance tests for sample regression lines; statistical tables; References; Further reading; Index. aEstatística aEstatictics Methods aMétodos estatísticos