thanks again

12. Wis researching the impact of the Blip on anxiety. (The Blip is major event depicted in the Marvel Cinematic Universe (MCU) franchise in which half of all life in the universe was exterminated by m snapping his ngers while wielding the Innity Stones, and then restored ve years later by Bruce Banner and Tony Stark using Innity Stones recovered from different time periods.) 1% asks 1,000 participants if they lost a close family member or friend during the Blip, placing participants into 2 categories: Yes, I lost a loved one VERSUS No, I did not. He then measures the anxiety of all participants. 3% knows, however, that some of his participants had anxiety before the Blip. He measures pre- Blip anxiety and wants to control for it in his ANOVA. What should he do