Assume that the average score on a statistical test is 8.5 and the variance is 2. The test was or he lighter side and the score distribution was very skewed (left skewed). What probability listribution is it reasonable to assume that the average grade of 3 randomly selected students vho take the exam follows? . Normal distribution with mean 8.5 and variance 2. 2. Normal distribution with an average of 8.5 and a variance of 2/3. . Poisson distribution with an average of 8.5 and a distribution of 8. 1. The probability distribution cannot be predicted from the information provided.

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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.