Which of the following statements are true? I. The sampling distribution of a has standard deviation even if the population is not normally distributed. II. The sampling distribution of is normal if the population has a normal distribution. III. When n is large, the sampling distribution of is approximately normal even if the the population is not normally distributed. Ol and II Ol and III O Il and II OI, II, and II O None of the above gives the complete set of true responses.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.