7. For t-test, identify means of both phases. For chi-square, identify numbers of data points in desired and undesired zones in both phases. For CDC, identify number of needed points and actual number of data points which exist in the desired zone.
7. For t-test, identify means of both phases. For chi-square, identify numbers of data points in desired and undesired zones in both phases. For CDC, identify number of needed points and actual number of data points which exist in the desired zone.