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Consider a Time Series with 15 Quarterly Sales Observations

Question 63

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Consider a time series with 15 quarterly sales observations.Using the quadratic trend model the following partial computer output was obtained. Consider a time series with 15 quarterly sales observations.Using the quadratic trend model the following partial computer output was obtained. State the two-sided null and alternative hypothesis to test the significance of the t<sup>2</sup> term.
State the two-sided null and alternative hypothesis to test the significance of the t2 term.

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