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Unformatted text preview: c. Which role had smallest range of ages, and what is it? 43 98.6&quot; Cyclist Driver Pass. Pedest. ROLE Max 101.8&quot; d. Which role had the largest IQR of ages, and what is it? e. Which role generally involves the oldest people? Explain. 3. The students in a biology class kept a record of the height (in centimeters) of plants for a class experiment. a. Sketch a histogram for these data using a bin width of 5 (lump the stem sizes into groups of 3035, 35 40, etc.). You can use the axes given and please label the axes! b. Find the mean of the plant heights c. Is it appropriate to use the mean and the standard deviation to summarize these data? Explain. d. Describe the distribution of plant heights (including ideas like symmetric, skewed right, skewed left, uni/bi/multimodal)...
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 Spring '08
 TBA
 Standard Deviation, 96.7, 4 3 96.6

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