49

50

30

25

50

30

25

27.5

lower than the dispersion of the original population

higher than the dispersion of the original population

the same as the dispersion of the original population

mean and standard deviation

mean and standard deviation

mean and standard deviation

mean and standard deviation

A sample of 10 women whose average height is at most 165 kg.

A woman whose height is at least 165 kg.

A sample of 10 women whose average height is at least 165 kg.

A woman whose height is at most 165 kg.

First collect all possible sample of size , and then compute the sample mean from each of them. 

First compute all possible sample means, and then compute the standard deviation for each of them.

First collect all possible sample of size , and then compute the sample standard deviation from each of them.

First collect all possible sample, and then compute the sample mean from each of them.

A sample of 10 women whose average weight is at most 70 kg.

A woman whose weight is at least 70 kg.

A sample of 10 women whose average weight is at least 70 kg.

A woman whose weight is at most 70 kg.