A researcher believes that women today weigh less than in, Ask an Expert

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A researcher believes that women today weigh less than in previous years. To investigate this belief, she randomly samples 41 adult women and records their weights. The scores have a mean of 111 lbs. and a standard deviation of 12.4. A local census taken several years ago shows the mean weight of adult women was 115 lbs.

What do you conclude, using the appropriate inference test and a = 0.011 tail?

accept H1

accept H0

reject H0

retain H0

accept H1 and reject H0

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91000093

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