a step by step approach Bluman, Allan G creator author. text bibliography xxu 2007 6th ed. monographic eng

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xxx, 802, [47] p : col. ill ; 28 cm The nature of probability and statistics -- Frequency distributions and graphs -- Data description -- Counting techniques -- Probability -- Discrete probability distributions -- The normal distribution -- Confidence intervals and sample size -- Hypothesis testing -- Testing the difference between two means, two variances and two proportions -- Correlation and regression -- Chi-square and analysis of variance (ANOVA) Allan G. Bluman. "Important formulas" (1 folded page) inserted. Includes bibliographical references (p. [801]-802) and index. Statistics Textbooks QA276.12 .B58 2007 0073103748 9780073103747 IQ-NaUA 210619 20230409025300.0 eng