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Find the forecast value using 3 month moving average method, weighted moving average method, exponential smoothing and regression methods.
Basic Time Series Analysis
Forecast for the 10th month.
Which method is recommended based on MAPE?
Month
# of Customers
1
932
2
981
3
989
4
985
5
400
6
382
7
311
8
298
9
300
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At the 0.05 significance level, can he conclude that number of absences has declined? calculate approximately the p -value.
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Determine a 95% confidence interval for the population mean.
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Assume the population standard deviations are not the same. At the .05 significance level, is there a difference in the mean waiting time?
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