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The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.52 litres. A sample of 10
The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.52 litres. A sample of 10 adults water consumption in litres is taken and it has a mean of 1.76 litres and S.D of 0.18 Test whether any increase in the consumption of water?
1 state the null and the alternate hypothesis
2 which test to be performed
3 compute the value of the test statistic
at the 0.05 significance level, can we conslude the water consumption has increased?
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