waold be 147, 21 Econ omists predict price Std dev. far there prices 9,25 th presictn te Tanple t frice 30 times lo check andd The frice 30 tmes fo mal dfference betweenthe sample mean AF = 0.05's the and preolicton stts tia average cest of 150.51. shots taia y Significant?

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