To test the null hypothesis that the population mean is not bigger than 30 at the ten percent level of significance, you obtain x = 32, s2 = 64 and n = 89. Calculate the test statistic and use the critical values in the table below to determine the appropriate conclusion. %3D Student's (t) table: Alpha Critical value (1) 0.10 1.291 0.05 1662 0.01 0.005 2.369 2633 Normal (Z) table: Alpha 0.10 0.05 0.01 0.005

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