Twelve Dozenol tablets are tested for solubility before and after being stored for one year. The indexes

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Twelve Dozenol tablets are tested for solubility before and after being stored for one year. The indexes of solubility are given in the table below.

a. At the 0.05 significance level, test the claim that the Dozenol tablets are more soluble after the storage period.
b. Construct a 95% confidence interval estimate of the mean difference of after - before.

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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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Question Posted: Apr 05, 2016 06:54 AM

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Twelve Dozenol tablets are tested for solubility before and after being stored for one year. The indexes

Question:

Before | 472 487 506 512 489 503 $11 501 495 504 494 462 After 562 512 523 528 554 513 516 510 S24 510 524 508

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a original claim d 0 n 30 and d unknown use t d x a...View the full answer

Elementary Statistics

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