The sampling distribution of certain statistical measures shows a normal distribution which of the following is an unbiased estimator that has a graph that is normally distributed and is not skewed a. proportion b. median c. range d. variance

A) Proportion.

Step-by-step explanation:

The distribution of sample proportions leads or may tends to approximate a normal distribution and is an unbiased estimator that has a graph that is usually distributed and is not skewed. In other words, simply, we can also say that the population proportion is basically defined to be as the mean of the sample proportion. The population proportion is basically equaled the expected value of the sample proportion.

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