Answer Must Be Typed To Four Decimals Answer Must Be Chosen From Drop Down Menu

Can you please help me answer these three questions but can you please show me the steps how to get the answers? 

• Attachment 1
• Attachment 2

nxbars Freshmen918.57.8740 Seniors511.33.9749 For the hypothesis stated above (in terms of Seniors – Freshmen):Question 1 What is/are the critical value(s)? Question 2 What is the…