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Hypothesis testing A new process for producing synthetic diamonds can be operated at a profitable level only if the average diamond weight is greater than .6 carats. To evaluate the profitability of the process, six diamonds are generated with weights of 0.62, 0.58, 0.66, 0.59, 0.52, 0.64, 0.59 and 0.67 carats. Do these six measurements present sufficient evidence to indicate that the average weight of diamonds produced by the process is more than .6 carats? Hypothesis testing For the following values of z, determine whether or not to reject the null hypothesis. Critical value method. fill in the blanks in the table below test statistic significance one-tailed critical rejection conclusion level or two- value region tailed test Z= 1.81 A=.05 two tails Z=-1.57 A=.05 a tail (lower) Z= 2.09 A=.01 two tails Z= -1.76 A=.01 a tail (lower) p-value method. fill in the blanks in the table below test statistic significance one-tailed or p-value p-value