SOLUTION: A population of 1000 students spend an average of P10.50 a day in dinner. The stndard deviation of the expectenditure is P3. A simple random of 64 is taken. What are the expected

Question 1045687: A population of 1000 students spend an average of P10.50 a day in dinner. The stndard deviation of the expectenditure is P3. A simple random of 64 is taken. What are the expected vaue, standard deviation,and shape of the sample distribution of the sample mean?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
The distribution is Gaussian or normal with mean 10.50 P, the population mean. The standard deviation of the sample mean is s/sqrt(n)=3/8=0.375 P It is the population distribution with a much higher central tendency and much shorter tails.
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