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The median for an odd number of observations is _________ where n is the number of observations. rank on the ascending order of observations b) rank on the ascending order of observations c) Average of and (n/2) rank on the ascending order of observations d) (n/2) rank on the ascending order of observations
How does number of observations influence overfitting? Choose the correct answer(s).Note: Rest all parameters are same
1. In case of fewer observations, it is easy to overfit the data.
2. In case of fewer observations, it is hard to overfit the data.
3. In case of more observations, it is easy to overfit the data.
4. In case of more observations, it is hard to overfit the data.
The average of 12 observations is 15. If 2 observations are deleted, then the average of the rest observations is 12. What is the average value of deleted two observations? 
For even number of observations of a data distribution, what is the median? rank on the ascending order of observations b) (n/2) rank on the ascending order of observations c) Average of (n/2)th observation and (n/2 + 1)th observation d) Average of and (n/2) rank on the ascending order of observations
If the mean of m observations out of n observations is n and the mean of remaining observations is m, then what is the mean of all n observations?
The mean of 5 observations is 60, the mean of 10 observations is 30 and the mean of 15 observations is 20. The mean of all the 30 observations is-
Let p be the mean of m observations and q be the mean of n observations, where p ≤ q. If the combined mean of (m + n) observations is c, then which one of the following is correct?
Which of the following statement(s) are correct regarding scientific theories? A. They explain the observations based on given information B. They can make predictions about results of future observations C. They are generalisations of empirical observations D. Once proven, a theory cannot be disapproved
The mean of 25 observations is 36. If the mean of its first 13 observations is 32 and the last 13 observations is 40, then what will be its 13th observation?
The average of n observations is 40. If two observations 50 and 60 are added, then the average of all the observations will be 41. What is the value of n?