Joshua Emmanuel

Normal Distribution, Confidence Interval, Hypothesis Testing -Test Review

Hypothesis Testing: Two-tailed z test for mean

Multiple Regression | Coefficients – Interpretation, C.I, Hypothesis Testing

Hypothesis z-test for One Sample Mean using Excel’s Data Analysis

Range, Variance, Standard Deviation in Excel

Solved Examples: Normal Approximation to Binomial Distribution -Probability | Continuity Correction

Just Ask

Confidence Intervals - Introduction

General Annuity Problems Solved in Excel or Google Sheets – FV & PV: Ordinary (END) & Due (BGN)

Hypothesis Z-test for mean – Excel Template | Hypothesis Testing | critical & p-values

Mean, Standard Deviation, Variance on BA II Plus Calculator | Probability Distribution x̄, SD, σ²

T-Tests in R Studio: One Sample Mean with raw data | One-Tailed & Two-Tailed

Confidence Interval for mean in Excel z & t (summary values)

0-1 Binary Constraints | Integer Linear Programming | Examples - Part 1

Linear Programming 2: Graphical Solution - Minimization Problem

Construct Decision Tree in Excel (FREE) -BYTreePlan

Expected Value Discrete Probability Distribution

Using Names in Formulas in Excel + Break-even chart Template in Microsoft 365

Annuity Calculations in Excel – FV, PV, PMT, N | Simple - Ordinary (END) & Due (BGN)

Number of Days between Dates in Excel or Google Sheets

Decision Analysis 3: Decision Trees

Solve Linear Programming Graph in Desmos (FREE) | LP Optimal solution | Maximize | Minimize

Chi-Square Test of Independence | Contingency Table | Hypothesis Test

Solve Transshipment in Excel | Network Flow | Plant - Warehouse - Distribution Centre

Binary Integer LP – Capital Budgeting – Formulation + Solution

Solving Math/Stats Problems in Microsoft Copilot - Bing Chat - Prompt Engineering basics

Intro to Simple Linear Regression | Slope, y-intercept, R-square

How to install Data Analysis Addin in Excel (Windows)

How to Construct a Histogram in Excel using built-in Data Analysis

How to type Subscript & Superscript in Excel

Boxplots in Excel | Single | Side-by-side box plot

Probabilities from a Contingency Table/Joint Probability Table

Transshipment Problem -LP Formulation | Solution

Paired t-test | Dependent Samples | Hypothesis test| Confidence Interval

Solved -Probabilities: AND, OR, GIVEN | Joint, Conditional, Union + Complements

Create Payoff Table | Excel | Cost, Selling Price, Profit, Shortage, Excess, Demand/Supply

Solve Decsion Trees 2 | Online Calculator | SilverDecisions (FREE)

Solve Decsion Trees 1 | Online Calculator | SilverDecisions (FREE)

Calculating Bond Value (Price) | Formula | Excel | BA II Plus calculator

SPSS - Percentiles, Quartiles, 5-number summary

Solved: Compound Interest Problems in Excel–Future, Present Values, Rate, Periods Examples +Template

Forecasting: Exponential Smoothing, MSE

Hypothesis Test - Mean | μ | p value | z-table + Examples

Decision Analysis - Sensitivity Analysis | Find p | Draw Graph | Data Table in Excel

BA II Plus| Cash Flows 2: (Capital Budgeting, NPV)

P-value from t-table | How to estimate P-value without software

Linear Programming - Shadow Price, Slack/Surplus calculations

Pivot Table in Excel -Frequency Distributions, Mean, Median, SD - A1#4,11

Linear Programming 1: Maximization -Extreme/Corner Points (LP)

Simple Linear Regression Equation | Prediction in Excel or Google Sheet

How to type x-bar & p-hat in Excel, Word for Statistics (Windows/Mac)