The following points highlight the nine important types of microscopes. The types are: 1. The Light Microscope 2. The Phase Contrast Microscope 3. The Interference Microscope 4. Dark Field Microscope 5. Polarization Microscope 6. Electron Microscope 7. Transmission Electron Microscope 8. Scanning Electron Microscope 9. Spectrophotometer. Type # 1. The Light Microscope: As the name suggests, visible light is used [...]
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) [...]