Question: questions 2,3,4,5 need help A Hypothesis Testing Problem Knowing ox One of the learning outcomes from this course is that students will be able to

questions 2,3,4,5 need help A Hypothesis Testing questions 2,3,4,5 need help

A Hypothesis Testing Problem Knowing ox One of the learning outcomes from this course is that students will be able to SLO4: "Apply appropriate statistical models to ... and determine the validity [plausibility of hypotheses." In the questions below, you will be asked to determine the plausibility of a null hypothesis using Gauss's model for the distribution of the Z statistic (via the Central Limit Theorem). Suppose it is commonly believed that the mean height of certain men is 70.0 inches. Suppose that a researcher wishes to publish an article to dispute this claim. In particular, our researcher wishes to establish that the true population mean is slightly less than 70.0 inches. Let the random variable X represent the height of a man. Suppose our researcher plans to collect a simple random sample of n=36 men. Our researcher arbitrarily establishes a critical value of 69 inches. In other words, if the sample mean I turns out to be less than 69 inches, then our researcher plans to reject the common belief that I = 70.0 inches. The following questions relate to the story above. 1. (2 Points) According to the story above, what would be our researcher's null hypothesis? Answer: (Select one choice.) HoHx is 70.0inches Ho: px

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