Question
Two data sets of sizes 6 and 9 have standard deviation
3 and 4, respectively, and arithmetic means 4 and 4, respectively. The standard deviation of combined data set of size 15 is:Solution
The correct answer is D
The Shanghai Cooperation Organization (SCO), established for deeper political and economic cooperation, was formed in 2001 by the leaders of the member ...
‘Dhan Sanchay’ a non-linked, non-participating, individual savings insurance new plan launched by _______ on 21st June, 2022.
Who was the first astronaut to walk on the moon?
World’s largest railway bridge built over Chenab river in Jammu and KAshmir also known as the _______?
What is the CRAR ratio of scheduled commercial banks (SCBs) at end March 2024 according to the RBI Financial Stability Report?
India and which country has launched a Young Professional Programme under which the other country will offer annually 3,000 degree-holding Indians in th...
Who is the author of the book ‘Human Anatomy’ ?
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 Recently on 3rd July 2022, which of these education boards has launched a ‘Pariksha Sangam Portal’, a one stop portal for all the activities relat...
