Question
Find the wrong number in given number series.
3080, 3058, 3016, 2934, 2772, 2460Solution
3080 -22 = 3058 3058 – 42 = 3016 3016 – 82 = 2934 2934 – 162 = 2772 2772 – 322 = 2450
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 com...
If A and B are manually exclusive events such that P(A)P(B) > 0 , then which option is correct?
For the distribution
X: 1 0 1
P(x): 0.3 ...
A man pedals cycle from his house to his office at a speed of 10 km/h and back from the office to his house at a speed of 15 km/h. His average speed (i...
Which of the following is NOT a type of data classification?
If Z1, Z2,…Zn are n independent standard normal variates, then Σni=1 Z2i will follow:
If the first, second, and third moment about the origin are 2, 8, and 18 respectively, then third moment about mean is
The mean deviation from an average A will be minimum, if A represents:
If the occurrence of events follows Poisson Process with mean rate λ, then inter-occurrence time of events will follow:
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