Question1 Marks5x210 Define the followingterms SolutionParam
Question1: (Marks:5x2=10)
Define the followingterms:
Solution
Parameter is any characteristic of the population. Statisticon the other hand is a characteristic of the sample
sampling distribution is the probabilitydistribution, under repeated samplingof the population,of a given statistic
unbiased estimator is A quantity which does not exhibitestimatorbias. An estimator is a biased estimator if its expected valueis not equal to the value of the population parameter beingestimated.
Estimation theory is a branch of statistics andsignalprocessing that deals with estimating the values of parametersbased on measured/empirical data
The standard error of a method of measurementor estimation is the standarddeviation of the samplingdistribution associated with the estimation method