tailieunhanh - Ebook Basic business statistics - Concepts and applications (12th edition): Part 1

(BQ) Part 1 book "Basic business statistics - Concepts and applications" has contents: Introduction, organizing and visualizing data, basic probability, discrete probability distributions, the normal distribution and other continuous distributions,.and other contents. | A ROADMAP FOR SELECTING A STATISTICAL METHOD TYPE OF DATA Type of Analysis Numerical Categorical Describing a group or several groups Ordered array, stem-and-leaf display, frequency distribution, relative frequency distribution, percentage distribution, cumulative percentage distribution, histogram, polygon, cumulative percentage polygon (Sections , ) Mean, median, mode, quartiles, geometric mean, range, interquartile range, standard deviation, variance, coefficient of variation, boxplot (Sections , , ) Index numbers (Online Topic ) Summary table, bar chart, pie chart, Pareto chart (Sections , ) Inference about one group Confidence interval estimate of the mean (Sections and ) t test for the mean (Section ) Chi-square test for a variance (Section ) Confidence interval estimate of the proportion (Section ) Z test for the proportion (Section ) Comparing two groups Tests for the difference in the means of two independent populations (Section ) Paired t test (Section ) F test for the difference between two variances (Section ) Wilcoxon rank sum test (Section ) Wilcoxon signed ranks test (Online Topic ) Z test for the difference between two proportions (Section ) Chi-square test for the difference between two proportions (Section ) McNemar test for the difference between two proportions in related samples (Section ) Comparing more than two groups One-way analysis of variance (Section ) Randomized block design (Section ) Two-way analysis of variance (Section ) Kruskal-Wallis test (Section ) Friedman rank test (Online Topic ) Chi-square test for differences among more than two proportions (Section ) Analyzing the relationship between two variables Scatter plot, time series plot (Section ) Covariance, coefficient of correlation (Section ) Simple linear regression (Chapter 13) t test of correlation (Section ) Time series forecasting (Chapter .