From a population known to have a standard deviation of 1.4, a sample of 60 individuals is taken. The mean of this sample is found to be 6.2.

i) Find the standard error of the mean.

ii) Establish an interval estimate around the sample mean using one standard deviation of the mean.

i) Find the standard error of the mean.

ii) Establish an interval estimate around the sample mean using one standard deviation of the mean.

### Recently Asked Questions

- At what production level would X Company be indifferent between making and buying the part?

- If X Company continues to make the part instead of buying it, it will save?

- X Company is considering launching a new product. After conducting a market research study that cost $4,800, the company estimates sales of 8,100 units in each