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Null Hypothesis Assignment | Professional Writing Services

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December 11th, 2019

A university president believes that over the past few years the average age of studentshas increased. To test this hypothesis, an experiment is conducted in which the age of150 randomly selected students is measured. Their mean age is 23.5 years.  

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A completecensus taken at the university a few years prior indicated a mean age of 22.4 years with astandard deviation of 7.6 years. Test the null hypothesis at the .05 level.Find:Problem StatementHypothesesDecision RuleCalculationsDecisionInterpretation

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