Category: General

When the mass of data has been assembled it is arranged in some logical order known as the process of tabulation. It thus means that tabulation is the process of summarizing raw data and also to display the same in compact form. Reasons for importance of tabulation are: It preserves space and also helps in… Continue reading Tabulation: summarizing the raw data

Tests of reliability: if the measuring instrument provides consistent results, it is considered to be a reliable instrument. A reliable instrument need not necessarily be a valid instrument. For example if a scale always over measures by six kgs, it is a reliable instrument scale but one does not get a valid measure of weight.… Continue reading Tests of measurement

Ratio scale There is absolute or true zero of measurement in Ratio scale.absolute zero could be taken as that oflenth and that of time.. the zeropoint on a centimeter scale shows no precence of lenth or height. an absolutezero oftemperature is actually theoritically obtainable.scores on ratio scale are represnted by small traffic violations and the… Continue reading Measurement scale