SimonMash.com | Kerala Plus One & Plus Two Study Notes, Question Papers, Answer Keys, Resources

# **Unit 9: Organisation and Presentation of Data - Complete Blogspot HTML Chapter** ```html English Section 1. What is Data Organisation? Data organisation means arranging raw data in a clear and systematic way. It makes data easy to understand, use, and analyze. It has 3 main steps: Editing, Classification, and Tabulation. Example 1: You have marks of 30 students. First, you check for mistakes (editing). Then group them (classification). Then make a table (tabulation). Example 2: Your monthly expenses list. When you check it for errors and put it in a table, that's data organisation. 2. Editing of Data Editing means checking collected data for mistakes. We look for errors and correct them. This ensures data quality. What to check while editing: 1. Data should be complete (no missing values) 2. Data should be consistent (same format) 3. Data should be accurate (correct values) 4. Data should be homogeneous (same type) Think Question: Why should we edit d...

Unit 8: Statistics for Managerial Decisions Main Topics Covered: Introduction to Statistics Functions of Statistics Limitations of Statistics Methods of Collecting Data Primary vs Secondary Data Techniques of Primary Data Collection Sources of Secondary Data Simple Explanation: Statistics helps managers make better decisions by collecting, organizing, and analyzing numerical data. It turns raw numbers into meaningful information for planning and forecasting. Introduction to Statistics Two Meanings of Statistics: Plural Sense: Statistics refers to numerical data (e.g., sales numbers, production figures) Singular Sense: Statistics is the science which deals with methods of collecting, organizing, presenting and interpreting numerical data ...