Assume the managers have requested estimates of the mean attitudes towards each mall with a margin of error of 0.05 for each mall. If the managers want to have 95% confidence that the sample mean will fall within this margin of error, how large should the sample size be for each mall? SpringDale Mean -3.81 SpringDale STDEV - 1.06 West Mall Mean - 3.41 West Mall STDEV - 1.18 Downtown Mean - 3.29 Downtown STDEV - 1.12

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Assume the managers have requested estimates of the mean attitudes towards each mall with a margin of error of 0.05 for each mall. If the managers want to have 95% confidence that the sample mean will fall within this margin of error, how large should the sample size be for each mall?

SpringDale Mean -3.81

SpringDale STDEV - 1.06

West Mall Mean - 3.41

West Mall STDEV - 1.18

Downtown Mean - 3.29

Downtown STDEV - 1.12

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