057 074 101 125 141 164 199 219 229 265 278 311 354 388 427


0.57, 0.74, 1.01, 1.25, 1.41, 1.64, 1.99, 2.19, 2.29, 2.65, 2.78, 3.11, 3.54, 3.88, 4.27, 4.51, 4.64, 4.97, 5.33, 5.57

Suppose the data represent the inches of rainfall in April for a certain city over the course of 20 years.

(a) Determine the quartiles.

(b) Compute the interquartile range, IQR.

(c) Determine the lower and upper fences. Are there any outliers, according to this criterion?

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Mathematics: 057 074 101 125 141 164 199 219 229 265 278 311 354 388 427
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