Multiple Choice
In a random sample of patient records in Cutter Memorial Hospital, six-month postoperative exams were given in 90 out of 200 prostatectomy patients, while in Paymor Hospital such exams were given in 110 out of 200 cases. In a left-tailed test for equality of proportions, the test statistic is:
A) -1.96
B) -2.00
C) -4.00
D) -3.48
Correct Answer:
Verified
Correct Answer:
Verified
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