Question: A student performs five replicate titrations to determine the Ca+ content of well water, obtaining values of 18.49, 18.55, 18.61, 18.62, and 18.72 ppm Is

A student performs five replicate titrations to determine the Ca+ content

A student performs five replicate titrations to determine the Ca+ content of well water, obtaining values of 18.49, 18.55, 18.61, 18.62, and 18.72 ppm Is she justified in rejecting any of these points as an outlier "at 95% confidence"? TABLE 4-5 Critical values of G for rejection of outlier Number of observations 4 6 7 8 9 10 11 12 15 20 6 (95% confidence) 1.463 1.672 1.822 1.938 2.032 2.110 2.176 2.234 2.285 2.409 2.557

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