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

Statistical Data : Primary Data and Secondary Data.

Mean of Grouped Data or discrete frequency distribution

Write the following data into less than cummulative frequency distribution table.

Introduction|Data|Collection Of Data|Types Of Data|Statistics|Presentation Of Data|OMR

Differentiate between primary and secondary data.

From the frequency distribution table from the following data

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|Types Of Data|Collecting Of Data|Organization Of Data|Representative Value|Central Tendency|OMR

Mean Of Grouped Data (With Class Intervals)|Practice Problems