21: Math Review for Introductory Statistics Last updated Apr 27, 2023 Save as PDF 20.32: Educational Attainment and Racial, Ethnic, and Gender Disparity 00: Front Matter Page ID36280 Larry GreenLake Tahoe Community College ( \newcommand{\kernel}{\mathrm{null}\,}\) 21.1: Decimals Fractions and Percents21.1.1: Comparing Fractions, Decimals, and Percents21.1.2: Converting Between Fractions, Decimals and Percents21.1.3: Decimals- Rounding and Scientific Notation21.1.4: Using Fractions, Decimals and Percents to Describe Charts21.2: The Number Line21.2.1: Distance between Two Points on a Number Line21.2.2: Plotting Points and Intervals on the Number Line21.2.3: Represent an Inequality as an Interval on a Number Line21.2.4: The Midpoint21.3: Operations on Numbers21.3.1: Area of a Rectangle21.3.2: Factorials and Combination Notation21.3.3: Order of Operations21.3.4: Order of Operations in Expressions and Formulas21.3.5: Perform Signed Number Arithmetic21.3.6: Powers and Roots21.3.7: Using Summation Notation21.4: Sets21.4.1: Set Notation21.4.2: The Complement of a Set21.4.3: The Union and Intersection of Two Sets21.4.4: Venn Diagrams21.5: Expressions, Equations and Inequalities21.5.1: Evaluate Algebraic Expressions21.5.2: Inequalities and Midpoints21.5.3: Solve Equations with Roots21.5.4: Solving Linear Equations in One Variable21.6: Graphing Points and Lines in Two Dimensions21.6.1: Finding Residuals21.6.2: Find the Equation of a Line given its Graph21.6.3: Find y given x and the Equation of a Line21.6.4: Graph a Line given its Equation21.6.5: Interpreting the Slope of a Line21.6.6: Interpreting the y-intercept of a Line21.6.7: Plot an Ordered Pair