Posted by **Sue 72** on Sunday, June 16, 2013 at 9:53pm.

A certain population has a mean of 472 and a standard deviation of 40. Many samples of size 46 are randomly selected and the means calculated.

(a) What value would you expect to find for the mean of all these sample means? (Give your answer correct to nearest whole number.)

472 .

(b) What value would you expect to find for the standard deviation of all these sample means? (Give your answer correct to two decimal places.)

6.78

## Answer This Question

## Related Questions

- statistics - Suppose a population distribution of SAT scores has population mean...
- math - Describe the distribution of sample means (shape, expected value, and ...
- Statistics - This is the first question..... For a population that has a ...
- math - A sample of 145 values is randomly selected from a population with mean...
- sample size/ standard deviations - How do we compute sample size fluctuations? ...
- Statistics - 1. The scores of students on the ACT college entrance examination ...
- statistics - what are the mean and standard deviation of a sampling distribution...
- stats - Consider an infinite population with 25% of the elements having the ...
- Statistics - The number of books sold over the course of the three-day book ...
- statistics - IQ scores are normally distributed with a mean of 105 and a ...

More Related Questions