Answer:
yes
Step-by-step explanation:
Answer:
answer b.....plz follow me
Answer:
X=9
You divide 8 in each side and you will get x=9
Step-by-step explanation:
X decreased by the square of nine
x - 9^2 = x - 81
Answer:
The forecast is accurate within plus or minus 3.2 units
Step-by-step explanation:
Mean Absolute Deviation is a statistical measure of dispersion from forecast. It measures accuracy level of predicted forecast, by averaging the difference between absolute value of each error from forecasted value.
MAD for a forecast states that : Forecast is accurate within the expected range variation of Mean Absolute Deviation.
So : If the MAD for a forecast is 3.2, we can say that - The forecast is accurate within plus or minus 3.2 units