Given the following data,

Month	Data
1	64
2	66
3	70
4	68
5	63

1. Compute the 3-period moving average forecast for month 6. (It is equal to the 3-period moving average in month 5.) The potential answers are:

A: 66

B: 67

C: 65

D: 62

E: 69

2. Compute the 2-period moving average forecast for month 3. The potential answers are:

A: 65

B: 57

C: 57.5

D: 55.5

E: 52.5

3. Compute the 2-period moving average forecast for all possible months. Then compute MAD in month 5 for 2-period moving average. The potential answers are:

A: 5.3

B: 3.7

C: 3.3

D: 10.2

E: 3.5

4. Compute the Tracking-Signal in month 5 for 2-period moving average.

The potential answers are:

A: 1.3

B: 0.4

C: -0.3

D: -1.9

E: 2.5