Question
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 data set of size 15 is
More Welfare Economics Questions
- The Excess Kurtosis of the Geometric distribution with parameter p is:
- Recession in industry is associated with the:
- If moment generating function of discrete random variable X is (q + pet )n , then E(X2) equals to
- The standard error of the given data 15, 5, 12, 10, 20, 4 is
- Question 5
- For a normal distribution, which of the following is true?
- Question 7
- If the first, second, and third moment about the origin are 2, 8, and 18 respectively, then third moment about mean is
- If the third quartile of the following data set 7,10,7,8,9 is 9.5, then the value of quartile deviation is:
- A random sample of 100 ball bearings selected from a shipment of 2000 ball bearing has an average diameter of 0.354 inches with standard deviation 0.048 in...
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
