What Is Linear Regression in Excel? Linear regression is a statistical technique that models the relationship between a dependent variable (Y) and one or more independent variables (X). In Excel you can obtain the regression equation, the R‑squared value, and a full set of diagnostic statistics without writing any code. Two Ways to Run Linear … Read more
Introduction Conditional formatting is one of the most powerful visual tools in Excel. Unlike static colors or font styles, it reacts to the data it evaluates. By combining conditional formatting with custom formulas you can highlight trends, flag outliers, and turn raw numbers into an instant‑read dashboard. How to Create Conditional Formatting with Formulas Select … Read more
What Is a Purchase Order? A purchase order (PO) is a formal agreement that authorizes a buyer to purchase goods or services from a supplier. It outlines the items, quantities, prices, and delivery terms, creating a clear contract between both parties. Why Keep a Purchase Order Log? A well‑maintained PO log gives you instant visibility … Read more
What Is a Control Chart (SPC) and Why Use It in Excel? A control chart – also called a Statistical Process Control (SPC) chart – visualises the variation of a process over time. It shows the average (center line), the upper control limit (UCL) and the lower control limit (LCL). When the data stay inside … Read more
Introduction Understanding the interest rate of a loan or investment is essential for accurate financial planning. Excel’s built‑in RATE function makes this calculation fast and repeatable. The steps below walk you through gathering the right data, building a clean spreadsheet, and applying the formula to common business scenarios. Step‑by‑Step Guide 1. Gather the required inputs … Read more
Excel Sales Chart Templates You can download a copy of this Sales Chart Excel Template here. Overview of Sales by Region Charts Creating effective sales charts in Excel is essential for analyzing sales data, trends, metrics, and key performance indicators (KPIs). Sales by Region Chart simplifies visual data representation, enabling businesses to swiftly assess performance … Read more
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