Introduction|Data|Collection Of Data|Types Of Data|Presentation Of Data|Statistics|Measure Of Central Tendency|Mean Of Ungrouped Data|Mean Of Grouped Data|Methods To Find Mean Of Grouped Data|Question (Direct Method)|OMR
Introduction|| Collection OF Data||Primary and Secondary Data|| classes|| Class interval|| Class size ( range )|| Presentation OF Group data & Single data ( ungrouped data )||Tally mark||Frequency distribution table
Consider the following statements: 1. The data collected by the investigator to be used by himself are called primary data 2. The data obtained from govermment agencies are called secondary data Which of the above statements "is /are" correct ?
