Applied Statistics in the Behavioral Sciences chapter 7 -...

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Chapter 7 30 ) 38 ) 40 A] People who use antibacterial products have the same level of skin dryness than people who do not use antibacterial products; H 0 : μ 1 = μ 2 People who use antibacterial products have a higher level of skin dryness than people who do not use antibacterial products; H 1 : μ 1 > μ 2
B] Students who sit in the front row get the same grades than students who do not sit in the front row. H 0 : μ 1 = μ 2 Students who sit in the front row get higher grades than students who do not sit in the front row. H 1 : μ 1 > μ 2 C] People who use cell phones have the same level of closeness with their long- distance relationships than people who do not use cell phones. H 0 : μ 1 = μ 2 People who use cell phones have a higher level of closeness with their long- distance relationships than people who do not use cell phones. H 1 : μ 1 > μ 2 50 A] Their sample would be crops from areas that had not experienced radiation. B] Population 1: Crops from areas that had not experienced radiation. Population 2: Crops from areas that had experienced radiation.