Maurice Tutor

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Category > Computer Science Posted 19 Sep 2017 My Price 5.00

headache remedies

Testing the difference of means (σ1and σ2unknown)

Two competing headache remedies claim to give fast-acting relief. An experiment was performed to compare the mean lengths of time required for bodily absorption of brand A and brand B headache remedies.

Twelve people were randomly selected and given an oral dosage of brand A. Another 12 were randomly selected and given an equal dosage of brand B. The lengths of time in minutes for the drugs to reach a specified level in the blood were recorded. The means, standard deviations, and sizes of the two samples follow.

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Past experience with the drug composition of the two remedies permits researchers to assume that both distributions are approximately normal. Let us use a 5% level of significance to test the claim that there is no difference between the two brands in the mean time required for bodily absorption. Also, find or estimate the P-value of the sample test statistic.

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Maurice Tutor
(5)
Status NEW Posted 19 Sep 2017 10:09 AM My Price 5.00

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