Working by hand, use the criticalt-values from TableA.1to compute the95% confidence interval for the sample of 10 batches of the “Wonder” drug produced using Professor B’s method: ̄x=49.164,s=...

Working by hand, use the criticalt-values from TableA.1to compute the95% confidence interval for the sample of 10 batches of the “Wonder” drug produced using Professor B’s method: ̄x=49.164,s=2.5414. Next, do the same for Professor A’s method. Comment on whether the confidence intervals indicate that the difference between the two methods was statistically significant.