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pao2425
11.11.2020 •
Mathematics
PART 1
Tanya's class planted sunflowers, and the students are tracking the growth of their individual plants. The table shows the height of Tonya's plant t days after she planted her sunflower seed.
Based on the data in the table, which function represents the height, h, in inches, at time, t?
A. h(t)= 1/2t
B. h(t)= 2t
C. h(t)= 5t
D. h(t)= 10t
PART 2
If the growth of the sunflower continues at the same rate, what is the expected height, in inches, on Day 60?
A. 60 inches
B. 120 inches
C. 30 inches
D. 45 inches
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Ответ:
The forecast error in period 2 is 2.5
Step-by-step explanation:
The forecasted value of the time series variable for period 2 = 22.5
The actual value observed for period 2 = 25
Forecast error = Actual value - Forecasted value
Actual value = 25
Forcasted value = 22.5
Forecast error in period 2 =![25 - 22.5](/tpl/images/0539/7333/9179a.png)
Forecast error in period 2=![2.5](/tpl/images/0539/7333/31b2a.png)
Hence the forecast error in period 2 is 2.5