Answer the 3 questions below, each question minimum of 100 words. Must be in APA format, please identify the questions on paper. Cannot accept more than 5% plagiarism, it will be submitted to TurnItIn

References: Ken ,Black. (2016). Business Statistic For contemporary Decision Making 9th Edition

Feel free to use more than one reference.

This professor is super annoying and strict, so please be aware of that.

Very very important, make sure you don’t fully reference answers, they must also have examples.

Business Statistics, Ch. 9: Statistical Inference: Hypothesis Testing for Single Populations

1. Evaluate the choice of confidence levels and discuss why one might be chosen or valued over the other.

2. Compare and contrast the one-tailed and two-tailed statistical hypotheses for one-sample data.

3. What is hypothesis testing and how does it relate to the hypothesis statements of the research project?

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