51. Let X, X2, ., X2s be a random sample of size n from normal distribution with the expected value of u, variance a² and = 45 ve Ex – )² = 2400 are observed from the sample. Which one of the following is the value of test statistics for testing the null hypotheis of Ho: H = 40 against the alternative Ha: u > 40. a) 2 b) 2.5 c) 1.25 d) 1.96 e) 1.375

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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.