TY - BOOK AU - Bluman, Allan G. TI - Elementary statistics: a step by step approach SN - 9781259922015 AV - QA276.12 .B55 2018 PY - 2018/// CY - New York PB - McGraw-Hill Education N1 - includes index; The nature of probability and statistics -- Frequency distributions and graphs -- Data description -- Probability and counting rules -- Discrete probability distributions -- The normal distribution -- Confidence intervals and sample size -- Hypothesis testing -- Testing difference between two means, and two variances -- Correlation and regression -- Other chi-square tests -- Analysis of variance -- Non parametric statistics -- Sampling and simulation. ER -