One-Koat Paint Company has developed a new type of porch paint that it hopes will be the most durable on the market. The R & D group tests the new product against the two leading competing products by using a machine that scrubs until it wears through the coating. One-Koat runs five trials with each products and secures the following results (in thousands of scrubs):

Test the hypothesis that there are no differences between the means of these products (α =.05).

Transcribed Image Text:

TrialOne-KoatCompetitor A Competitor B 37 30 34 28 29 24 25 23 20 20 34 19 31 27