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A statistics teacher thinks that the standard deviation, o, for IQ s.pdf

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A statistics teacher thinks that the standard deviation, o, for IQ scores in her class is less than 15. Her class of 25 students has a standard deviation of 12.4. Assume the distribution is normal and a= 0.01. true or false: the null hypothesis in this case would be h0: s <225 Solution TRUE.

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A statistics teacher thinks that the standard deviation, o, for IQ scores in her class is less than 15. Her class of 25 students has a standard deviation of 12.4. Assume the distribution is normal and a= 0.01. true or false: the null hypothesis in this case would be h0: s <225 Solution TRUE

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A statistics teacher thinks that the standard deviation, o, for IQ s.pdf

  • 1. A statistics teacher thinks that the standard deviation, o, for IQ scores in her class is less than 15. Her class of 25 students has a standard deviation of 12.4. Assume the distribution is normal and a= 0.01. true or false: the null hypothesis in this case would be h0: s <225 Solution TRUE