A file containing subscription levels and forecasts for your self published newsSlatter has become corrupted, and there is no backup. you find an old hard copy of report but some of the number or not legible. Fill in the missing piece in the following worksheet given Alfa=0.2 ,y=0.4( an electronic spreadsheet will be helpful here you may assume that average value of M7 thought M10 is 1.0)
T Xt St Ft.1 Mt
10 441.9 331.4
11 603.3
12 643.6
13 442.0
14 454.0
15 448.1
16 643.8
17 206.9
18 322.1
M7 M8 M9 M10
1.35 1..45
T Xt St Ft.1 Mt
10 441.9 331.4
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