really confused on #5 & 6. need help ASAP please

5. The camp wants to make sure that the average fun score does not depend on which activity is the camper's favorite (boating, crafting, or nature hikes). You decide to determine if mean fun score is different for the different activities. Which test procedure you should use? A. Simple linear regression B. Multiple linear regression C. Two-sample t-test D. One-way ANOVA Answer. 6. You want to test if the average fun score for campers who prefer boating and camping is higher than the fun score for campers who prefer nature hikes. Give the hypotheses for this contrast test. A. Ho: Hbowing "Hcamping Hhikes VS Ha: (Hboating "Hcamping) >Hbikes B Ho: 1/2(Hboating + Hcamping) - Hhikes VS Ha: 1/2(Hbosting +Hcamping) Hhikes, Hecamping > Hhikes D. Ho: 1/2(Hboating +Hcamping) - Hhikes VS Ha: 1/2 (Hboming +Hcamping) > Hhikes