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i sixsigma
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Function: _error_handler
File: /home/mycocrkc/statisticsanswered.com/application/controllers/Questions.php
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Function: require_once
An ANOVA procedure is used for data that was obtained from four sample groups each comprised of five observations. The degrees of freedom for the critical value of F are A. 4 and 17
B. 3 and 16
C. 3 and 19
D. 3 and 20