A Chi-Square Goodness-Of-Fit Test Is to Be Performed to See

question 16

Multiple Choice

A chi-square goodness-of-fit test is to be performed to see if data fit the Poisson distribution. There are 8 categories, and λ must be estimated. Alpha is chosen to be 0.10. The critical (table) value of chi-square is ___.

• A) 10.645
• B) 12.017
• C) 3.828
• D) 16.812
• E) 17.345

Apply exponential smoothing techniques to forecast future values of a time series.

Identify the effects of different smoothing constants on time series forecasts and the speed of reaction to changes in data trends.

Conduct a moving average analysis to smooth time series data and identify patterns.

Differentiate between the use and purpose of exponential smoothing and moving averages.

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Definitions:

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A pattern in data or behavior that appears to go against the prevailing direction or common expectations.

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