Presentation of 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

Give a diagrammatic presentation of the following data on india's Exports and Imports:

Gross Domestic Product by Industry of origin (at 2004-05 prices) is given for the years 2010-11 and 2011-12. Present this data in terms of percentage bar diagram.

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

The variance of a set of data is 196. Then the standard deviation of the data is.

If the variance of a data is 121 ,then the standard deviation of the data is ….. .