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Confidence level vs Type 1 error; hypotheses for music lessons

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A) What is the relationship between the Confidence Level and Type I Error?

b) State the null and alternative hypotheses for the following:

You are trying to show that music lessons have a positive effect on a child's self-esteem.

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The expert examines the confidence level versus type 1 errors and hypothesis for music lessons.

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(a) Confidence level is the confidence that we want to place in our statistical inferences. For example, if the

confidence level is ...

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