Question
Two data set of size 9 and 6 have standard deviation 3
and 4 respectively and arithmetic means 3 and 3 respectively. The standard deviation of combined data set of size 15 isSolution
The correct answer is A
More Welfare Economics Questions
The stickiness in rice is due to ____
Which pathogen is responsible for causing Tea Rust disease?
According to IFOAM Year Book, 2024, India ranks ________ in terms of World's Organic Agricultural land.
The costs that have already been incurred and cannot be recovered are called ____
Which of the following is correct with respect to Muriate of Potash (MOP)?
In Lepidopteran insects, the goblet cells found in the midgut are mainly involved in the accumulation of:
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Chemically most of the sand grains are
Who is the father of agro-meteorology in India?
