53:45 All else being equal, if you cut the sample size in half, how does this affect the margin of error when using the sample
to make a statistical inference about the mean of the normally distributed population from which it was drawn?
ME
To
O The margin of error is multiplied by V0.5.
The margin of error is multiplied by V2
The margin of error is multiplied by 0.5.
O The margin of error is multiplied by 2.