Query I have is:
a population ion has a mean of 51 and a standard dev of 3.4. If repeated samples of 20 units are taken from this population, what is the likely standard dev of the sample means?
0.76
3.4
0.17
2.55
i would like to understand the workings to get to the answer please.
a population ion has a mean of 51 and a standard dev of 3.4. If repeated samples of 20 units are taken from this population, what is the likely standard dev of the sample means?
0.76
3.4
0.17
2.55
i would like to understand the workings to get to the answer please.