Definition Exclusive Class Conversion is the process of transforming an Inclusive Class Interval series (where there is a gap between the upper limit of one class and the lower limit of the next) into an Exclusive Class Interval series (where the upper limit of one class is identical to the lower limit of the next,…
Definition / परिभाषा More than Cumulative Frequency for a given class interval represents the total number of observations or frequencies that are greater than or equal to the lower class boundary of that interval. It is obtained by successively subtracting the frequencies from the total frequency, starting from the lowest class, or by adding frequencies…
Class Boundaries Formula in Statistics In statistics, class boundaries are used to eliminate gaps between class intervals. They are essential for frequency distributions, histograms, and accurate calculation of median and mode. This topic is very important for High School, Undergraduate students, and aspirants of RPSC and other competition exams. 📖 Definition / परिभाषा Textbook Definition:Class…
Definition Arithmetic Mean is the sum of all observations divided by the total number of observations. It is the most common measure of central tendency. Easy Definition: Arithmetic Mean मतलब average निकालना – सभी values को जोड़ो और total number से divide करो. Formula जहाँ, Step-by-Step Process Solved Example (Numerical) Q: Find the mean of…
Introduction Looking for the most important statistics questions and answers?यह सूची छात्रों और beginners के लिए बनाई गई है। इसमें 50 key concepts को सरल भाषा में English और हिन्दी दोनों में समझाया गया है। Table of Contents 1. Core Concepts & Definitions (मूल अवधारणाएं) Q1. Who stated that “Statistics is both a science…
Introduction to Statistics Quiz
Introduction: Correlation क्या है? Topic is What is Correlation? Let’s Start. Definition:Correlation दो या अधिक variables के बीच संबंध (relationship) का अध्ययन है। यह measure करता है कि एक variable बदलने पर दूसरा variable किस दिशा और कितनी मात्रा में बदलता है। 👉 Important Note: Correlation ≠ Causationकेवल संबंध होना यह नहीं बताता कि एक…
1. Introduction Statistics is all about data. To study, analyze, and interpret data, it must be organized systematically. This organization is called Classification of Data. Definition: Classification of Data is the process of arranging raw data into groups or categories based on common features. Hindi Term Hint: वर्गीकरण (Vargikaran) Example: 2. Need / Importance of…
1. What is Data? Before we talk about classification, we need to understand data. Data is information or facts collected about anything. Examples: Data is everywhere—we just need to organize it properly to make sense of it. 2. Why Do We Classify Data? Imagine you have a bag full of mixed candies—red, green, yellow, and…
Introduction Statistics is the science of collecting, organizing, and analyzing data. To study any concept in statistics, the first step is to understand the types of data. 1. Qualitative Data (Categorical Data) 👉 Used when data is divided into categories. 2. Quantitative Data (Numerical Data) Types: (a) Discrete Data – Whole numbers, cannot be broken…
