The following points highlight the top three methods for presentation of data in a systematic manner. The methods are: 1. Tabular Presentation of Data 2. Guidelines for Preparing Data Tables 3. Graphic Presentation of Data. Method # 1. Tabular Presentation of Data: In this method, the collected data are presented in Table form, i.e., data are arranged in systematic form [...]
In this article we will discuss about Arithmetic Mean:- 1. Meaning of Arithmetic Mean 2. Short Cut Method of Determining Arithmetic Mean 3. Merits 4. Demerits. Meaning of Arithmetic Mean: The mean is a measurement of unit most frequently used to describe a frequency distribution of same type. The arithmetic mean or average is calculated by dividing the sum (total) [...]
In this article we will discuss about Correlation in Statistics:- 1. Subject-Matter of Correlation 2. Types of Correlation 3. Methods. Subject-Matter of Correlation: Sometimes two or more events are interrelated, i.e., any change in an event may affect the other events. If such changes are expressed in the form of numerical data and they appear to be interdependent they are [...]