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A psychologist The mothere are asked to play Mozart in the house at least 30...

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A psychologist The mothere are asked to play Mozart in the house at least 30 minutes each day until th birth distri 3 the child is administered an IQ test It is known that IQs are normall mean of 100 If the IQs of the 20 children in the study result in a samp standard deviation of 15 7 is there evidence that the children have h evel of significance 103 Use 1 Dete Ho H P H I and alternative hypotheses

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