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WorksheetsStatistics Review
Total questions: 10
Worksheet time: 5mins
The empirical or statistical approach to probability is ‘a priori’
True
False
A distribution is said to be skewed if the mean, median and mode all fall at different points
True
False
Central moments are calculated about the mean
True
False
The probability that the square of the sum of any three consecutive numbers will be divisible by 9 is 1
True
False
A random variable always assumes positive values
True
False
The expected value need not necessarily be a real outcome
True
False
Variance is the second raw moment
True
False
A distribution function is also called as the cumulative distribution function
True
False
A pdf cannot assume values greater than 1
True
False
In a test, a question has two options; true and false and
here the option ‘false’ is true and the option ‘true’ is false. If your answer to that question is false, what is the probability that you have answered it correctly?
