1 1. Marcus is comparing the holding strength of two different adhesives. He tests one adhesive 10 times and calculates the average holding strength. He does the exact same with the other adhesive. He's going to complete a two-sample t-test to test the results. Based on what was taught in class, how many degrees of freedom should he use when calculating the critical value? QUESTION 2. Sarah is testing the efficacy of a new drug. Her control group has 20 participants and the experimental group has 25. She's going to complete a two-sample t-test to test her hypothesis. Based on what was taught in class, how many degrees of freedom should she use when calculating her critical value