Question: The partial results below are based on a sample of recently trained workers, to determine if the number of hours of training time received (X,

The partial results below are based on a sample of recently trained workers, to determine if the number of hours of training time received (X, in hours) has helped in improving the time taken to troubleshoot a process problem (Y, in minutes) Summary Statistics Variable NI Mean Variance Uncorrected SS Corrected SS (SSxx) 28 7.14 3.978836 1536 107.4286 28 16.3571429 12.83069 7838 346.4286 Parameter Estimates Variable Parameter Standard Estimates Error Intercept 28.55319 0.80791 Training (X) -1 70745 0.10908 Standard Error 1.13059 R-Square |0.9041 Given that a worker has received 428.4 minutes of training, what is the upper prediction limit with a 99% confidence coefficient for the time taken to troubleshoot a process
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