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Unformatted text preview: (c) Based on (b), plot a histogram. (d) Determine the mean and the median. (e) Construct a modied boxplot. Q 3. (2.32) In a study of milk production in sheep, a researcher measured the threemonth milk yield for each of 11 ewes. The yields (in liters) are as follows: 56.5 89.8 110.1 65.6 63.7 82.6 75.1 91.5 102.9 44.4 108.1 (a) Determine the median and the quartiles. (b) Determine the interquartile range. (c) Construct a modied boxplot. Q 4. Dopamine is a chemical that plays a role in the transmission of signals in the brain. The dopamine levels in seven rats were as follows: 6.8 5.3 6.0 5.9 6.8 7.4 6.2 (a) Determine the mean and the standard deviation. (b) Determine the median and the interquartile range. (c) Replace the observation 7.4 by 10.4 and repeat parts (a) and (b). Comment...
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 Spring '08

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