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Margaret Q. Ombere
Margaret Q. Ombere

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How excel is used in real world data analysis

TOPIC: HOW EXCEL IS USED IN REAL-WORLD DATA ANALYSIS
Microsoft Excel is one of the most widely used tools for data analysis across industries. It goes beyond simple spreadsheets to offer powerful features for organizing, analyzing, and visualizing data in meaningful ways.
WAYS EXCEL IS USED
Data Entry and storage/ Data Organization and Cleaning
In real-world data analysis, the first step is often cleaning and organizing messy data. Excel allows users to import data from various sources and clean it using tools like Remove Duplicates, Text to Columns, and Data Validation. This makes it easier to prepare data for analysis.
Statistical Analysis/formulas and calculations
Excel offers a variety of built-in functions for basic statistical calculations, such as AVERAGE, MEDIAN, STDEV, and more. With the Data Analysis Toolpak add-in, users can perform more advanced tasks like regression analysis, t-tests, and histograms — all within Excel.
Charts and visualization/Pivot Tables and Dashboards
Pivot tables allow users to summarize large datasets with just a few clicks. They help answer key questions by sorting, counting, and totaling data. When combined with slicers, charts, and formulas, users can build interactive dashboards to share insights with others.
EXCEL FEATURES AND FORMULAS

  1. SUM =SUM (A1:A10) Adds all numbers in a range (e.g., from A1 to A10 etc ).
  2. AVERAGE =AVERAGE (B2:B12) Calculates the mean (average) of the values in a range.
  3. IF =IF(C2>50, "Pass", "Fail") Checks a condition and returns one value if true, another if false. Conclusion Learning Excel has significantly transformed my understanding of data. Instead of viewing data as isolated numbers, I now see it as structured information that can reveal trends, patterns, and insights. Excel's analytical tools have helped me approach data more critically and interpret it with greater clarity and purpose.

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