Are avid readers more likely to wear glasses than those who read less frequently? Three hundred men in Ohio were selected at random and characterized as to whether they wore glasses and whether the amount of reading they did was above average, average, or below average. The results are presented in the following table.     Glasses? Amount of reading Yes No Above average 47 26 Average 48 78 Below average 31 70 Total 126 174   Suppose we wish to test the null hypothesis that there is no association between the amount of reading and wearing glasses. Under the null hypothesis, what is the expected number of above average readers who wear glasses?

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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.