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A therapist measures the relationship between a patient's expectations that therapy will be successful and the actual success of the therapy. The following table shows the results of this hypothetical study using a sample of 50 clients. Therapy Successful Yes No Totals Client Yes expects 2 success Totals (a) Compute the phi correlation coefficient. (Round your answer to three decimal places.) 0.0015 X (b) Using a two-tailed test at a 0.05 level of significance, state the decision to retain or reject the null hypothesis. Hint: You must first convertr to x2. Retain the null hypothesis . Reject the null hypothesis . O V