Examlex
Stuart wanted to impress Janet with the perfect engagement ring.He had been saving money for months,and he noticed his attitudes and perceptions about diamond rings changing as he began paying attention to ads for rings.Marketers call this process
Unbiased Estimator
A statistical estimator that is expected to equal the true parameter of the population being studied.
Consistent Estimator
A statistical property where an estimator of a parameter tends to converge to the true parameter value as the sample size increases.
Variance
A measure of variability that quantifies the spread of a set of data points around the mean.
Confidence Level
The probability or degree of certainty that a confidence interval would contain the true population parameter if the same procedure were repeated multiple times.
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