Practice Problems on Class Interval
Q1. You have a dataset of monthly incomes for a group of individuals. The incomes range from 1,200 Rupees to 5,800 Rupees. Create class intervals for this dataset, choosing an appropriate number of intervals and class width?
Q2. Given a dataset of test scores for a class of students, ranging from 45 to 98, decide whether to use exclusive or inclusive class intervals. Create class intervals with an appropriate number of intervals and class width?
Q3. You’re analyzing the ages of customers in a retail store. The ages range from 20 to 80. Determine the number of class intervals you should use, calculate the class width, and set the boundaries for each interval?
Q4. A dataset contains the heights (in inches) of a group of basketball players. Heights range from 68 to 84 inches. Create class intervals for this dataset and organize the heights into these intervals?
Q5. Given below is the time taken in min by employees to reach their office
5, 7, 8, 10, 15, 22, 25, 28, 30, 35, 38, 42, 45, 47, 49, 51, 54, 56, 58, 60
Determine an appropriate number of class intervals and class width for this dataset, and present the frequency distribution?
Class Interval
Class Interval in Statistics is an important element, particularly in organizing and summarizing data. It serves as a fundamental tool for grouping data points into meaningful categories, enabling a more manageable and insightful analysis. In this comprehensive article, we will delve into the concept of class intervals in statistics, their significance, and how to effectively create and utilize them.
Our exploration begins with a clear definition of class intervals and their role in statistical analysis. We will discuss the importance of choosing appropriate class intervals to reveal patterns, trends, and distributions within datasets. Whether you’re a student embarking on a statistics course or a data analyst seeking to enhance your data interpretation skills, this article is your guide to mastering class intervals.
Table of Content
- What Is Class Interval?
- Purpose of class Interval
- Class Interval Formula
- How to find a Class Interval
- Types of Class Interval
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