For a Poisson distribution, \( \lambda \) is the mean, where \( \lambda = 2 \) in this case.
Thus, the mean value is 2. Hence, the correct answer is (c).
List-I(Statistical Concepts) | List-II(Description) | ||
---|---|---|---|
A | Power of a test | I | 1- probability of making type II error |
B | Multicollinearity | II | Where the sample mean differs from the population mean |
C | Biased estimator | III | Correlation between explanatory variables in a regres sion |
D | White noise error | IV | Errors with zero mean and constant standard deviation |