Get Started with ixamBee
Start learning 50% faster. Sign in now
For a random variable x, the central moments (µi) of all order exist. The square of (2j + 1)th moment (µ22j+1) is
The median of following observations 8, 9, 10, 8, 8, 10, 8, 9 is
The grouped data for the observation are as follows.
Class : 2-4 4-6 6-8...
If mean and median of the distribution are 12 and 21, then the distribution
The fair dice is rolled 15 times and face value are noted
Face Value: 1 2 3...
Marshall-Edgeworth Index number:
A dice was thrown 400 times and 'six' resulted 80 times. The data is used to justify the hypothesis of an unbiased dice at 95% confidence. With referen...
The first four moments of a distribution about the origin are -1.5,17,-30 and 108. The third moment about the mean is:
Recession in industry is associated with the:
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:
