Arachnophobia is the fear of spiders People with arachinopho

Arachnophobia is the fear of spiders. People with arachinophoble suffer to different degrees, but they tend to react intensely to visible signs of the presented of spiders, such as webs.

Solution

1)Alternate hypothesis: atleast one mean is different

2) Null hypothesis : No difference

3) group I

4) Group III

5) prolonged or no treatment

6) Option 3