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QuestionQuestion To test their hypotheses, they took a sample of 140 police officers and administered an IQ test. The mean score for officers was 112 with a standard deviation of 10. A second sample of 150 citizens from the general population yielded a average IQ score of 105 with a standard deviation of 15. What is the calculated value of t for this problem?. The mean score for officers was 112 with a standard deviation of 10. A second sample of 150 citizens from the general population yielded a average IQ score of 105 with a standard deviation of 15. What is the calculated value of t for this problem?

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Question

To test their hypotheses, they took a sample of 140 police officers and

administered an IQ test. The mean score for officers was 112 with a standard deviation of 10. A second sample of 150 citizens from the general population yielded a average IQ score of 105 with a standard deviation of 15. What is the calculated value of t for this problem?

 
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