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Statistics
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A random sample of 1020 adults. the mean is 7.66, and the standard deviation is 2.6 with a 90% confidence interval of 7.53,7.79. I need to interpret the confidence interval

Apr 26th, 2015

A random sample of 1020 adults. the mean is 7.66, and the standard deviation is 2.6 with a 90% confidence interval of 7.53,7.79. I need to interpret the confidence interval
which mean the probability that the mean between 7.53 to 7.79 is 0.90

Apr 26th, 2015


Apr 26th, 2015
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it is A

Apr 26th, 2015

If the mean and sample standard deviation remains the same what does that mean , 

Apr 26th, 2015


Apr 26th, 2015
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