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The National Council of Educational Research and Training (NCERT) provides academic and technical support for qualitative improvement of school education. The NCERT was established in 1961 as an apex national body to lead qualitative changes in school education. NCERT has been playing an advisory role guiding central and state governments in formulating policies, acts and government programmes. It has played a crucial role in the development of national policies on education (1968-1986) and national curriculum frameworks. The researches undertaken by the Council have led to building new perspective of schooling and also provided inputs for formulation of policies and programmes. NCERT has been designing and offering innovative and need-based courses for teachers, teacher educators and counsellors.
The median of following observations 8, 9, 10, 8, 8, 10, 8, 9 is
A B and C are three mutually exclusive and exhaustive events associated with a random experiment. If P(B) = (3/2) P(A) and P(C) = (1/2) P(B) then value...
Completely randomized design is based on the principles of _________ and randomization only.
For the production data
Year: 1 2 3 ...
If ten coins are tossed simultaneously, then the probability of getting at most I head is:
The mode (correct to two decimal places) for the given data is:
For the study purpose, the mean of the observations is 148 gm and standard deviation is 17.4 gm. Approximately, the coefficient of variation equals to:
With reference to index numbers, which of the following statements is true?
Two random variables X and Y are said to be independent if:
A physical instructor claims that the mean weight of students in school is greater than 82 kg with standard deviation 20. If a sample of size 81 studen...
