Time Portfolios Week 1 6 Week 2 5 Week 3 6 Week 4

     Time                            Portfolios

Week 1                              6

Week 2                                5

Week 3                                 6

Week 4                                  7

Week 5                                   9

Week 6                                  8

Week 7                                  6

Week 8                                10

Week 9                              12

Week 10                             11

Week 11                             89

Sum                             8.090909091

Average                      2.30019762

Standard Deviation

1.     Calculate the sum, mean, and standard deviation of the series using Excel mathematic equations.