MAT 144 Exam 1 Review — Problem 14: Miles per Hour to Feet per Second

MAT 144 Exam 1 Review — Problem 13: Kilograms to Grams — Two Steps, Not One

MAT 144 Exam 1 Review — Problem 10: Pounds to Kilograms, Then a Dose

MAT 144 Exam 1 Review — Problem 9: Feet to Centimetres — Round Late, Not Early

MAT 144 Exam 1 Review — Problem 6: Divide First, Then Convert

MAT 144 Exam 1 Review — Problem 8: Inches to Square Feet — 144, Not 12

MAT 144 Exam 1 Review — Problem 5: One Division Back to the Original Price

MAT 144 Exam 1 Review — Problem 4: Working a Percent Backwards

MAT 144 Exam 1 Review — Problem 16: Awkward Percents and the Rounding Rule

MAT 144 Exam 1 Review — Problem 17: Percent Off, Then What's Left

MAT 144 Exam 1 Review — Problem 20: What a Line of Best Fit Tells You

MAT 144 Exam 1 Review — Problem 19: Turning a Sentence Into y = mx + b

MAT 144 Exam 1 Review — Problem 15: Read the Units, Not the Numbers

MAT 144 Exam 1 Review — Problem 18: Percent Increase — Divide by the Original

MAT 144 Exam 1 Review — Problem 1: Percent of a Total Without a Calculator

MAT 144 Exam 1 Review — Problem 11: Fahrenheit to Celsius, Below Zero

MAT 144 Exam 1 Review — Problem 12: Unrolling Four Walls Into One Rectangle

MAT 144 Exam 1 Review — Problem 7: The Volume Ladder

MAT 144 Exam 1 Review — Problem 3: Why Two Discounts Never Add Up

MAT 144 Exam 1 Review — Problem 2: Percent Off or Money Back?

How to Build a Bar Chart in Excel From a Data Range

Why Every Excel Formula Starts With = (Equals Sign)

Absolute vs Relative References in Excel ($A$1 and Why It Matters)

Percent in Excel: Why 7 and 0.07 Are Not the Same

SUM and AVERAGE in Excel: Selecting a Range Correctly

The Payroll Tax Explained (FICA): Social Security and Medicare

Why Bond Prices Move When Interest Rates Change

What Is an Index Fund? (Diversification in One Purchase)

Dollar-Cost Averaging Explained (Why Buying Monthly Works)

Unit Price: How to Tell Which Deal Is Actually Better

How to Find the Equation of a Line Through Two Points

Is This Game Fair? (Expected Value in Action)

With vs Without Replacement (Probability Explained)

Two-Way Tables and Conditional Probability

Linear Model Application: Writing an Equation From a Word Problem

Conditional Probability Explained: P(A given B)

How Stocks Make Money: Capital Gains and Dividends

How Bonds Work: Face Value, Coupon Rate, and Yield

Diversification Explained: The Stock-Bond Split

Tax Refunds Explained: Withholding vs What You Owe

How Tax Brackets Actually Work (Marginal vs Effective Rate)

How to Read Your Paycheck: Gross Pay vs Net Pay

The Multiplication Rule for Independent Events: P(A and B)

The Complement Rule: The "At Least One" Shortcut

Factorials Explained: What n! Means

What Is a Sample Space? (With the Two-Dice Grid)

How to Use the P(n, r) Formula

Disjoint Events (Mutually Exclusive) Explained

Combinations: How to Use the C(n, r) Formula

The Addition Rule in Probability: P(A or B) Explained

What Is Probability? (Favorable Over Total)

The Fundamental Counting Principle Explained

Expected Value Explained (The Long-Run Average)

Theoretical vs Experimental Probability (Law of Large Numbers)

Permutations vs Combinations: The Swap Test

What Do Percentiles Mean? (90th Percentile Explained)

Frequency Tables Explained (Raw Data to Histogram)

Sampling Bias Explained: Why How You Ask Beats How Many

Types of Data: Qualitative vs Quantitative, Discrete vs Continuous

Outliers and the 1.5 IQR Rule Explained