Thursday
August 21, 2014

Homework Help: statistics

Posted by Anonymous on Saturday, August 11, 2012 at 11:38pm.

For normal population mean 60, standard deviation 15, after treatment is given to the member of sample , the sample mean is 65, and sample size is 25.
is the sample mean sufficient to conclude that the treatment has significant effect? Give reason for decision?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Statistics - . A random sample is selected from a normal population with a mean ...
Probabilty & Statistic - A random sample is selected from a normal population ...
statistics - An IQ is designed so that the mean is 100 and the standard ...
Statistics - An IQ test is designed so that the mean is 100 and the standard ...
Statistics - This is the first question..... For a population that has a ...
statistics - what are the mean and standard deviation of a sampling distribution...
statistics - The scores of students on the ACT college entrance examination in ...
Math (Statistic) - Considered the sampling distribution of a sample mean ...
statistics - A random sample of size 20 from a normal population will sample ...
Statistics - A random sample of size 20 from a normal population will sample ...

Search
Members