A group of 20 postmenopausal women were given transdermal estradiol for one month. Plasma levels of plasminogen-activator

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A group of 20 postmenopausal women were given transdermal estradiol for one month. Plasma levels of plasminogen-activator inhibitor type 1 (PAI-1) went down for 10 of the women and went up for the other 10 women.37 Use a sign test to test the null hypothesis that transdermal estradiol has no effect on PAI-1 level. Use α = 0.05 and use a non directional alternative.
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Statistics For The Life Sciences

ISBN: 9780321989581

5th Edition

Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner

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