E) suppose the mean weight of king penguins found in an antarctic colony last year was 15.4 kg. in a sample of 35 penguins same time this year in the same colony, the mean penguin weight is 14.6 kg. assume the sample standard deviation is 2.5 kg. at .05 significance level, can we reject the null hypothesis that the mean penguin weight does not differ from last year?
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I don't know the answer.
but I can be ur friend
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