TAT2231F2017 Previous usersleonel_r_kafando%40Georg Problem List (iwebwork2/ward

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TAT2231F2017 Previous usersleonel_r_kafando%40Georg Problem List (iwebwork2/wardSTAT2231F2 edu&ke; usereleone..kafando %40GeorgiaSouthern.edu&effectiv; Next (1 point) determine which of Treatment A or Treatment B is better for treating A medical research team is trying to kidney stones. Patients in the study are classified as to whether their kidney stones are large or smal. For patients with smalkidney stones, Treatment A is effective for 83 patients out of 8, and Treatment B is effective for 313 patients out of 369. for 83 patients out of 88, and Treatment B is For patients with large kidney stones, Treatment A is effective for 274 patients out of 392, and Treatment B is effective for 45 patients out of 80 F in tha top two rows of the fotlowing tabla with tha propartion of patlants for whlch tha treatmant is successful, and determine if this is an instance of Simpson's Paradox. For the bottom row, enter either "A or "B", without quotes. Small stones Large stones Combined Treatment A Treatment B Better treatment? Note: In order to get credit for this problem all answers must be correct. Preview My AnswersSubmit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email instructor

Explanation / Answer

From the given table, the required table is filled as:

This is a clear example of a simpson's paradox because in component groups, we see that in both cases, treatment A is effective but in totality, treatment B is effective.

Small Stones Large Stones Combined Treatment A 83/88 = 0.9432 274 / 392 = 0.6990 357/ 480 = 0.7438 Treatment B 313 / 369 = 0.8482 45/ 80 = 0.5625 358 / 449 = 0.7973 Better Treatment ? A A B

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