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What's 10 times 10?
Asked by unregistered find p-value
The average of old woman was 63.5 years. A sample of 20 old woman had a mean 63.7 years and a standard deviation is 1.9 years. At alpha=0.05, is the average age higher than originally believed? Use the P-value method.
Asked by Chupa-chups find p-value
