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4. During the pandemic, an insurance company surveyed the distances (in kilome- tres) driven by a random sample of its customers in February and then again in April. The data is listed below. 151 146 94 104 125 February 135 119 134 122 114 93 111 120 139 138 201 142 178 198 150 April 159 203 159 185 217 200 183 143 153 157 (a) Draw back-to-back stemplots for the data. (b) Are there possible outliers? If so, what are they? Show your work. (c) Determine the 80th percentiles for the February data and the April data. (d) Draw back-to-back modified boxplots for the data. Show all calculations used in generating the modified boxplot

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