Question: I need the answer in Excel. Please help me. The following table contains 5-year quarterly sales information for the KYRYH product. Year Q1 Q2 Q3
I need the answer in Excel. Please help me.
The following table contains 5-year quarterly sales information for the KYRYH product.
| Year | Q1 | Q2 | Q3 | Q4 | Total |
| 2016 | 43000 | 37800 | 32300 | 40600 | 153700 |
| 2017 | 47000 | 37000 | 31200 | 40000 | 155200 |
| 2018 | 46000 | 39000 | 28000 | 40500 | 153500 |
| 2019 | 49000 | 42300 | 33500 | 44000 | 168800 |
| 2020 | 52700 | 44000 | 33600 | 45700 | 176000 |
a) Determine the demand for the year 2021 using the moving averages.
b) Comment on the validity of the model based on the 95% confidence level.
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