Question

The following graphs show the sampling distributions for two different point estimators, R and W, of the same population parameter.

Answer 1

The graphs are illustrations of biased and unbiased distributions.

The true statement is (d) R is biased, and W is unbiased

How to determine which of the graph is biased

From the graph, we have the following highlight

• The population parameter of graph R is at the right of the distribution
• The population parameter of graph W is at the center of the distribution

The above means that:

Graph R is biased, and graph W is unbiased

Read more about biased distributions at:

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