Suppose that the age of students at George Washington Elementary school is uniformly distributed between 5 and 11 years old. 35 randomly selected children from the school are asked their age. Round all answers to 4 decimal places where possible. What is the distribution of XX? XX ~ U(,) Suppose that 35 children from the school are surveyed. Then the sampling distribution is What is the distribution of ¯xx¯? ¯xx¯ ~ N(,) What is the probability that the average of 35 children will be between 7 and 7.6 years old?

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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.