Mathematics, 04.08.2019 01:10 mmaglaya1
Aparticular species of salmon has an average weight of 57 lb, with a standard deviation of 6.3 lbs. researchers studying salmon in a particular river find that in a sample of 45 fish, average weight is 60.2 lbs. what should researchers do?
a. reject the null hypothesis; these fish are not larger than usual
b. do not reject the null hypothesis; these fish are larger than usual
c. do not reject the null hypothesis; these fish are not larger than usual
d. reject the null hypothesis; these fish are larger than usual
Answers: 2
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Mathematics, 21.06.2019 22:00
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