HIST 1150 Lecture Notes - Lecture 17: Statistical Inference, Statistic, Books Of Kings
Document Summary
Basic applications of stats: descriptive summarize data to provide information about the world in a digestive format, univariate statistics summarize the information contained in a single variable. F1 = frequency of cases in first, f2 = frequency cases in second: proportions/percentages tell us about what part (f) of the whole (n) represents. F2 = second score subtract f1 = first score divided by f1 * 100. Interval/ratio = you have a group of categories all together: graphs and charts a way to present frequency distributions graphically, nominal/ordinal level we may use pie or bar charts. Interval/ratio level we are better off histogram or line: percentiles how many cases scored below a certain rank (94th percentile, quartiles divide up our cases into equal chunks 4,5,10 are all common. 2: sampling error little differences (discrepancy between sampling and pop parameter, point estimate any single sample statistic used to estimate a population value.
