Mathematics, 16.04.2020 04:15 cameron1357
. A soccer ball manufacturer claims the diameters of their ball have a standard deviation of 2 mm when properly inflated. Based on a random sample of 10 balls you find a standard deviation of 3.2 mm. Does the sample suggest the standard deviation is higher than that claimed by the manufacturer?
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. A soccer ball manufacturer claims the diameters of their ball have a standard deviation of 2 mm wh...
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