A marketing company is trying out 4 different commercial advertisements and want to test which one is most effective before adopting it. They want to find out if there is any significant difference between the four commercials and obtain 4 sarmples to view each advertisement. Each group is shown one of the four commercials and asked to rate on a scale of 1-10 how likely they are to buy the product based off the advertisement. The likkoliboodd scorer from the induidual vious f

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