one hundred adults who had their Type 1 or Type 2 diabetes were selected to determine if the inhalable version of insulin is able to manage blood sugar levels just as swell as injected insulin. The...

Extracted text: one hundred adults who had their Type 1 or Type 2 diabetes were selected to determine if the inhalable version of insulin is able to manage blood sugar levels just as swell as injected insulin. The adults uses the inhaler for 3 months and then their blood sugar levels were recorded. Then they uses the injection for 3 months and then their blood sugar levels were also recorded. If we want to test if there is a difference in average blood sugar levels using the two methods. Which inference procedure should we use [Hint: test statistics ]? O A. None of these O B. Confidence interval about the population mean of the secondgroup C. t-test about the difference between two means for independent samples. O D. t-test about the mean difference for paired samples. O E. Confidence interval about the population mean of the first group