Giraffes have excellent vision. Refér to (Oct. 2013) study of a giraffe's eyesight, Exercise 7.38 (p. 334). Recall that the researchers measured the eye mass for a sample of 27 giraffes native to Zimbabwe, Africa, and found x 53.4 grams and s = 8.6 grams. Suppose the ob- %3D %3D jective is to sample enough giraffes in order to obtain an estimate of the mean eye mass to within 3 grams of its true value with a 99% confidence interval. loval

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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.