Question

The Box–Jenkins method can be used to select the parameters of an ARIMA (“uh-REE-muh”) model for data indexed by this variable. For 10 points each:
[10e] Name this variable plotted on the x-axis of namesake “series” of data. Stochastic processes like Brownian motion and stock market returns are often indexed by this variable.
ANSWER: time [prompt on t]
[10h] The Box–Jenkins method uses a variant of correlation denoted by this adjective, which first regresses off data at shorter lags. Similarly, this adjective denotes a regression diagnostics method that plots the response against the added variable, after regressing off all other variables.
ANSWER: partial [accept partial correlation or partial autocorrelation function; accept partial regression]
[10m] An early step of the Box–Jenkins method is to transform or apply differencing to better attain this property. A time series with this property has the same joint probability at any point in time.
ANSWER: stationary [or stationarity]
<Rutgers A, Other Science>

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Summary

California2025-02-01Y310.00100%0%0%
Florida2025-02-01Y313.33100%33%0%
Great Lakes2025-02-01Y610.00100%0%0%
Midwest2025-02-01Y610.0083%17%0%
North2025-02-01Y36.6767%0%0%
Northeast2025-02-01Y58.0080%0%0%
Overflow2025-02-01Y510.00100%0%0%
South Central2025-02-01Y210.00100%0%0%
Southeast2025-02-01Y47.5075%0%0%
UK2025-02-01Y1012.00100%10%10%
Upper Mid-Atlantic2025-02-01Y812.5088%38%0%
Upstate NY2025-02-01Y310.0067%33%0%

Data

Florida AFlorida State A100010
Florida BValencia A1001020
UCF BUCF C100010