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Qmb3250 exam 3 concepts With Questions And 100% ALL SURE ANSWERS
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Qmb3250 exam 3 concepts With Questions And 100% ALL SURE ANSWERS
Practice questions for this set
, 8/22/24, 1:17 AM
Terms in this set (53)
In simple exponential smoothing, which is smoother, Low
a high alpha or a low alpha?
Tredns are a consistent pattern (either linerar or curves) that approach either a negative or positive
What are the key differences between trends and
directuon; Seasonal components are flucuation in data that occur around the same time every
seasonal components in time series data?
period
For a time series for simple moving average, a Smoother; slowly
longer period with be _ than a shorter period
because longer periods respond more _______
If you were dealing with a data set that fluctuates Autoregressive models
quarterly, what type of method would be best?
If you are dealing with a data set that consists of Multiplicative regression model
sales with a consistent percentage increase, what
type of method would be best?
Suppose you ran a additive regression based model The price tended to increase by 1140 dollars per year
of price vs time (years) and the point estimate for
change in price per year was 1140. Interpret the
slope
True/False: autoaggressive models can do a better True
job than other smoothing models at modeling
quarterly trends.
What is the correct alternative hypothesis for One Ha: at least one of the population means is different
way ANOVA test?
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