=+spatial ability test: exposed mean 5 12.6 unexposed mean 5 13.8 standard error of difference 5 sd
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=+spatial ability test:
exposed mean 5 12.6 unexposed mean 5 13.8 standard error of difference 5 sd 1n 5 .5
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Related Book For
Applied Statistics For Engineers And Scientists
ISBN: 9781133111368
3rd Edition
Authors: Jay L. Devore, Nicholas R. Farnum, Jimmy A. Doi
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