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 haploid chromosome complement of a species is represented by
Which of the following is an indicator of SO2 (Sulfur dioxide) pollution in the air?
Which one of the following is the most productive soil in India?
TheĀ salineĀ soilsĀ containĀ toxicĀ concentrationĀ ofĀ solubleĀ saltsĀ inĀ theĀ rootĀ zone. These saline soils are also known asā¦ā¦ā¦ā¦...
Empty barrels, plastic containers or styrofoam bodies in cage culture can be used for the purpose?
Blanching of fruit & vegetables done at
What is the sex ratio in monoecious cucurbits like bitter gourd?
Saline soils are reclaimed by
Which of the following is popularly known as queen of vegetables?
Which of the following family does the weed Grass belongs to?