Subject ID education memory ...

        Subject ID education memory    1 16 112    2 18 117    3 14 96    4 20 114    5 16 106    6 14 80    7 14 89    8 12 94    9 18 113    10 13 111    11 17 112    12 18 84    13 12 108    14 16 95    15 12 117    16 14 83    17 8 106    18 12 100    19 21 120    20 15 103    b. Calculate   the mean and standard deviation for the two variables separately. (4 points   total: 1 point for each mean and 1 point for each SD, deduct .5 if an answer   is incorrect but the calculation process was correct)   c. Calculate   the Z scores for all the scores of the two variables, separately. (4 points   total: 2 for the Z scores for each variable, deduct .5 for each error in the   Z scores up to a total of 2 per variable)   Tips: It may   help to prevent error and to increase clarity if the process and/or the   answers (z scores) are listed in a table format.   d. Calculate   Pearson’s correlation coefficient r. (2 points total: 1 if the process   is correct but the answer is wrong)   e. Explain   the direction and strength of the relationship based on the r. (2 points   total: 1 for strength, 1 for direction)