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# Determine the critical values for the left tailed test of the population mean at the a=.01 Level of significance based on the sample size of n=10.

Determine the critical values for the left tailed test of the population mean at the a=.01 Level of significance based on the sample size of n=10.

Determine the critical values for the two tailed test of the population mean at the a=.10 level of significance based on a sample size of the n=18.