Researchers conducted a study to assess the effect of an education campaign in increasing knowledge of Treatment as Prevention as a method of preventing transmission of HIV. Each participant's...

Researchers conducted a study to assess the effect of an education campaign in increasing knowledge of Treatment as Prevention as a method of preventing transmission of HIV. Each participant's knowledge was assessed before and after a brief education campaign. Knowledge was assessed using a seven-point scale where 1 represents low knowledge and 7 represents high knowledge

State the null hypothesis and alternative hypothesis for this study.

b) What test is appropriate to test your null hypothesis? Why is this test appropriate? Provide supporting figures and/or statistics to justify your decision.