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The mean of Male drinking water for last week: Mean = 7.61 Standard deviation = 7.182 Median = 6 Mode = 5,2 The 90% confidence

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The mean of Male drinking water for last week:

Mean = 7.61

Standard deviation = 7.182

Median = 6

Mode = 5,2

The 90% confidence interval of the mean = Z=1.645

For male:

Lower limit = 7.61 - 1.645 *

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