Aniek Bradley

This page lists questions and answers that were posted by visitors named Aniek Bradley.

Questions

The following questions were asked by visitors named Aniek Bradley.

Answers

The following answers were posted by visitors named Aniek Bradley.

X1 and X2 are the numbers of successes in samples 1 and 2, respectively. p = (140 + 43) / (200+50) = 183 /250 =0.73 z = (0.7-0.85) /√ (0.73)(1-0.73)(1/200 +1/50) = - 0.15 / √ (0.005) = -0.15 / 0.07 = -2.14 To have a proportional difference to be considere...