When do you need to use a t-test?
when the measurments are very small
when the measurments are very large
when the measurments are small and you have less than 20
none of the above
when you have a small set of measurments under 20 in quantity
You may use the calculator above and this area as scratch paper. To see the solution just click on the button.
Carlos Rodriguez <firstname.lastname@example.org>
This problem was contributed by a student in Elementary Statistics. It is offered as it is with no warranty of any kind
Last modified: Wed May 13 12:29:11 EDT 1998