Essay Question Instructions: Make sure you show all work on…
Essay Question Instructions: Make sure you show all work on the five essay questions on scratch paper. Upload a PDF of your written work to the Canvas Upload module immediately after you finish the test. Most of the points are awarded based on your written work, not the final answer that you submit to each question. Essay Question 1: According to a 2017 survey, Millennial males in the US were more likely to own a cat then their female counterparts. 48% of the male Millennial survey respondents stated that they owned a cat, compared to 35% of the females who responded. Suppose a SRS survey of 255 Millennial males was conducted last year and found that 143 said they were cat owners. Using a significance level of .05, is there significant evidence to claim that the proportion of male Millennial cat owners in the US is different than 48%? Be sure to include the following: 1. State an appropriate null and alternative hypotheses. 2. Find a test statistic. Show all your work- formula used and answer. 3. Find the P-value. 4. Make a conclusion. 5. Write one to two sentences explaining what your test found in the context of the problem using non statistical language. Your audience is people who had never had a statistic class.
Read DetailsThe number of students enrolled at the University of Arizona…
The number of students enrolled at the University of Arizona is approximately 45,000, while the number at the University of New Mexico is approximately 27,000. At both schools, a simple random sample of about 3% of the undergraduates is taken. Which of these two schools will have more sampling variability in its sample?
Read DetailsSuppose I wanted to determine if there is a relationship bet…
Suppose I wanted to determine if there is a relationship between the number of absences from my class and a student’s GPA. After collecting several semester’s worth of data, I notice that students who miss more classes tend to have a lower GPA. In a scatterplot of days missed and GPA, what would be the response variable and what type association would you expect to see?
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