Downloads for a personal finance program
During the past three weeks, downloads for a personal finance program have been as follows: Week Downloads 1 150 2 175 3 145 4 135 Using exponential smoothing with a smoothing constant of 0.2, calculated the MAE.
17.67
349.67
-1
72.67
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At what distance from Titan should the gravitational pull of Titan just balance the gravitational pull of Saturn?
If the MAE for a set of data was found to be 2.5 using a 3-week SMA, 3.5 using a 4-week SMA, 3.1 using a 5-week SMA, and 3.0 using a 6-week SMA, then which of these four SMA methods is most accurate?
One drop of water evaporates every hour. If there are 20 drops inone milliliter of water and the density of water is 1.00g/mL, how many water molecules evaporate per second.
A gas pressure of 150000 pa ( gage )is applied to one leg of a U-tube manometer, which contains a fluid with density of 2000 kg/m^3.
A loop of wire is situated inside a large solenoid, with the plane of the loop initially perpendicular to the axis of the solenoid. Current can be made to flow through the loop of wire if either
Water flows out of a faucet at a speed of 3 m/s. Assuming that the flow is steady, inviscid and incompressible, estimate the flow speed at a depth of 50 cm below the faucet.
Consider the following reaction:FeSCN 2+ (aq) [red] in equilibrium with Fe 3+ (aq) [paleyellow] + SCN- (aq) [colorless] The solution was initially dark red in color.
The table below shows the typical mass of eight animals. Plot and label these values on a log scale. How many orders of magnitude larger is a blue whale than a hummingbird?
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Accuracy was achieved by drying the teeth several times and recording the lowest mass once a constant weight was reached.
Only two teeth were used for each pH level, so natural differences between the teeth may have affected the average results.
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