Suppose we are testing the hypothesis Ho: PA= PB. As part of the study design, we gather two iid samples for each group A and B. The table below summarizes the results. Group A B N 140 876 Question 14 # Yes's 61 359 What is the standard error of the sample group proportion difference, - d = pA - PB? Please enter your answer rounded to 4 decimal places. Question 15 What is the pooled sample proportion, p? Please enter your answer rounded to 4 decimal places.

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