The diameter of a ball bearing was measured by 12 inspectors, each using two different kinds of calipers. The results were as follows:Is there a significant difference between the medians of the population of measurements represented by the two samples? Use a =0.05.

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Caliper 2 Caliper 1 Inspector 0.265 0.264 0.265 0.265 0.266 0.264 0.267 0.266 0.267 0.267 0.265 0.268 0.267 0.264 8. 0.267 0.265 0.265 0.265 10 0.268 0.267 11 0.268 0.268 12 0.265 0.269 2.