Please state whether the statement is true or false.

1) The error margin corresponds to the tail regions.

2) The paired T test is a comparison of means test.

3) Two standard deviations from the mean captures approximately 65% of the sample.

4) The one sample design uses each sample unit as their control.

5) The mean corresponds to 50% of the sample being above or below the mean.

6) The region of accuracy corresponds to acceptance of the null hypothesis.

7) The degrees of freedom show the variation from the mean.