STAT 4444 Study Guide - Final Guide: Maximum Likelihood Estimation, Likelihood Function, Histogram

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Lecture 12: maximum likelihood estimation of a population mean. Class business: homework iii due on april 5 at 11:59 p. m. A family of symmetrical, bell-shaped density curves de ned by mean and standard deviation . Since we plan to use the normal density, we should check to see whether the sample data follows a normal distribution. 1 head ( a i r q u a l i t y ) 3 sample = a i r q u a l i t y [ sample ( nrow ( a i r q u a l i t y ) ,50) ,] 4 hist ( a i r q u a l i t y $ wind , xlab = " wind " , main = " h i s t o g r a m of wind speed in new.