Stats 250 final exam Study guides, Class notes & Summaries

STATS 250 Week 12 Final Exam 2023 – Questions and Answers Rated 100%. Favorite Subject Area – A random sample of 300 students were asked which of three areas he or she preferretaking liberal arts courses, 1 = Math/Science, 2 = Social Science, or 3 = Humanities. The data were further broken down to compare the results by gender. The results are provided in the following table. Preferred Area for Liberal Arts Courses Gender 1 = Math/Science 2 = Social Science 3 = Humanities Total Male 37 ...

STATS 250 Final Exam Solutions (Complete Rated 100%) What would be the appropriate chi-square test for assessing whether the distribution of the movie genre preferences is the same among the five age categories of the customers? [2] Circle one: Goodness-of-fit Test of Independence Test of Homogeneity d. From R output, the observed test statistic is 29.0448. Calculate the contribution to this test statistic from the 18-24 year old customers who would rent a comedy. [3] Using the cross-pr...

STATS 250 Final Exam Solutions | Complete Rated A+ 2023. When evaluating loan applicants for approval of a loan, banks examine several aspects of an applicant’s financial history. One aspect that is considered during the loan application process is the applicant’s credit score. We would like to assess if the population mean credit score for successful loan applicants is greater than the population mean credit score for applicants who were denied the loan, H0: µ1 = µ2 versus Ha: µ1 &g...

STATS 250 Week 12 Final Exam 2023 – Questions and Answers Rated A+.

Exam 1 Solutions (and Common Mistakes) – Stats 250 – W21 Overall Common Mistakes: • Context is important. • Make sure not to round until you get to the final answer. Rounding early can make big differences in the final answer, which can be problematic in the wild. Q1 Exam Instructions Q2 Academic Integrity Statement Q3 Peloton Use 17 Points A researcher at Peloton has been tasked with designing some observational studies and experiments to better understand the habits of ...

STATS 250 Final Exam Solutions | Complete Rated A+.

STATS 250 Week 12 Final Exam 2023 (Questions and Answers Rated 100+) If the distribution of the preferred area for liberal arts courses is the same for the two populations of all malestudents versus all female students, how many male students would you have expected to prefer the Math/Science area? Show your work. [2] (122 x 72) / 300 = 29.28 Final answer: ____29.28______ d. The data were entered into SPSS and part of the output is given below which include the p-value. Chi-Square Tests V...