2. The following data are from an independent-measures experiment testing the effect of sleep learning tapes on vocabulary recall scores. Do the following sets of vocabulary recall scores indicate a reliable effect of the sleep learning tapes at a .05 a level (two tailed)? Perform a complete hypothesis test, by hand, including a journal style summary statement. (Note: The standard error, and the calculated t have square roots that are NOT polite, you can either leave them in square root form, or use a calculator and round your answer to two decimals.) Repeat the test using SPSS. Tape Condition: 13, 9, 7, 11 Control Condition: 9, 5, 5, 9