2when investigating times required for


2.When investigating times required for drive-through service, the following results (in seconds) were obtained. Find the range, variance, and standard deviation for each of the two samples, then compare the two sets of results.

Wendy''s 110 113 133 198 124 120 154 110

McDonald''s 105 116 131 176 118 110 135 137

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Mathematics: 2when investigating times required for
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