Cerebral tumors and cell phone use. In a case-controlled study on cerebral tumors and cell phone use, tumors occurred more frequently on the same side of the head where cellular telephones had been used in 26 of 41 cases. Test the hypothesis that there is an equal distribution of contralaterial and ipsilateral tumors in the population. Use a two-sided alternative.     Do a complete test and include:    the null and alternative hypotheses the test statistic your decision (Reject or Retain the Null) Interpretation in the context of the stud

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