Mathematics SAT-60: Sample Surveys and Random Sampling Understand populations vs samples and why random sampling is required to draw valid conclusions.
Mathematics SAT-59: Conditional Probability from Two-Way Tables Read two-way frequency tables and compute conditional probabilities by restricting to the given group.
Mathematics SAT-58: Probability — Simple and Independent Events Find the probability of simple events and combine independent events by multiplying.
Mathematics SAT-57: Standard Deviation — Measuring Data Spread Understand standard deviation as a measure of spread and compare data sets without heavy calculation.
Mathematics SAT-56: Mode, Range, and Outliers Find the mode and range, identify outliers, and understand how an outlier affects each statistic.
Mathematics SAT-55: Descriptive Statistics — Mean and Median Compute and compare the mean and median, work backward from a known mean, and know which is better with skewed data.
Mathematics SAT-54: Scatterplots — Lines of Best Fit and Trends Read scatterplots, describe correlation, and use a line of best fit to estimate and predict values.
Mathematics SAT-53: Interpreting Tables, Graphs, and Bar Charts Read values, totals, and trends from tables, line graphs, and bar charts — and avoid common reading traps.
Mathematics SAT-52: Percent Change — Increase, Decrease, and Successive Changes Compute percent increase/decrease, use multipliers, and chain successive percent changes correctly.
Mathematics SAT-51: Percentages — Part, Whole, and Base Master the part = percent × whole relationship to find a part, a whole, or a percent.
Mathematics SAT-50: Unit Conversions and Dimensional Analysis Convert units by multiplying by conversion factors so unwanted units cancel.
Mathematics SAT-49: Ratios, Rates, and Proportions Compare quantities with ratios and rates, and solve proportions by cross-multiplying.
