Statistics
posted by Alana .
How large a smaple from a N(80,20) population is needed so that the sampling distribution of the mean has a standard deviation of 1?
Respond to this Question
Similar Questions

Math (Statistic)
Considered the sampling distribution of a sample mean obtained by random sampling from an infinite population. This population has a distribution that is highly skewed toward the larger values. a) How is the mean of the sampling distribution … 
Statistics
The t distribution should be used when ___. the sampling population is not normal the sampling population is unimodal The sampling distribution is normal and the population standard deviation is unknown the population standard deviation … 
Statistics
How large a sample from N(80,20) population is needed so that the sampling distribution of the mean has a standard deviation of 1? 
Math Statistics
A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10. * a. This sample of 36 has a mean value of , which belongs to a sampling distribution. Find the shape … 
Statistics
A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10.   Find the mean of this sampling distribution.  Find the standard error of this sampling distribution. 
statistics
Suppose a population distribution of SAT scores has population mean 500 and population standard deviation 100. What is the mean of the sampling distribution of sample means, ybar , calculated from samples of size n = 36 
statistics
An SRS of size n is taken from a large population whose distribution of income is extremely rightskewed and the mean income is calculated. Which of the following statements is false? 
statistics
For an IQ test, we know the population mean = 100 and the standard deviation =16. We are interested in creating the sampling distribution when N = 64. (a) What does that sampling distribution of means show? 
Statistics
The following is a histogram (right skewed) of the first ten terms of a geometric distribution with p = .4. The mean of this distribution is 2.5 and the standard deviation is approximately 1.93. What's the shape of the distribution … 
Stat
An SRS of size n is taken from a large population whose distribution of income is extremely rightskewed and the mean income is calculated. Which of the following statements is false?