CFA Practice Question

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CFA Practice Question

A(n) ______ of a population parameter is a rule or formula that tells us how to use the sample data to calculate a single number that can be used to estimate the population parameter.

A. statistic
B. average
C. point estimator
Correct Answer: C

User Contributed Comments 5

User Comment
katybo oops, I thought it was a statistic.
topdan Statistic = Sample (S=S)
Parameter = Population (P=P)
geofin From Wikipedia:

"An "estimator" or "point estimate" is a statistic (that is, a function of the data) that is used to infer the value of an unknown parameter in a statistical model."
sgossett86 Wow, wikipedia being useful..
ashish100 geofin's got balls to cite wikipedia as the source
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