A random sample of the distances in miles 8 shoppers travel to their nearest supermarkets is shown.

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A random sample of the distances in miles 8 shoppers travel to their nearest supermarkets is shown. Test the claim at α = 0.10 that the standard deviation of the distance shoppers travel is greater than 2 miles.

3.6 5.1 4.2 1.7 2.9 1.3 6.5 9.3

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