Consider a Time Series with 15 Quarterly Sales Observations $\alpha$ = 05State the Critical T Value (Rejection Point)and the P-Value

question 80

Essay

Consider a time series with 15 quarterly sales observations.Using the quadratic trend model the following partial computer output was obtained.
Test the significance of the t² term at $\alpha$ = .05.State the critical t value (rejection point)and the p-value.Make your decision using a two-sided null hypothesis.

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