The sample: a data set includes the morning and evening temperature for the last 90 days.
The samples are dependent in that they are paired measurements on just one set of item which is the temperature.
These measurements are related in such a way that the each observation in one sample can be paired with an observation in the other sample.
the reason why your question keeps getting deleted because this is not a school related question : )
i will answer your question though.
i never tried church's
i dont know