Question
What type of energy does not occur while riding a
bicycle?Solution
While riding a bicycle, chemical energy (from chemical reactions) is not directly involved in the process, whereas kinetic, mechanical, and heat energies are present due to motion and friction.
For the two variables X and Y, the following observations are tabulated
X:           3             4        �...
If the mean and variance of a binomial distribution are 5 and 4, respectively, then the value of n 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:
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...
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...
The grouped data for the observation are as follows.
Class :Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 2-4Â Â Â Â Â Â Â Â 4-6Â Â Â Â Â Â Â Â Â 6-8<...
Completely Randomized Design provides maximum number of degree of freedom for the:
The standard deviation of Y is double of standard deviation of X. The correlation coefficient between X and Y is 0.5. The acme angle between lines of r...
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