Stats 250 (STATS250)
University of Michigan
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Stats 250 all study guide notes
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Stats 250 all study guide notes 
With emphasis on; 
1. Exploring data 
2. Modelling distribution of data 
3. Describing relationship and more 
........... 
 
* Detailed and comprehensive 
* For students
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Stat 250 exam 1 review sheet/ summary guide
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Stat 250 exam 1 review sheet/ summary guide 
Emphasis on understanding data, sampling, probability and more.... 
 
 * Detailed 
* Comprehensive 
* For students
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STATS 250 Week 12 Final Exam 2023 – Questions and Answers Rated A+ and STATS 250 Final Exam Solutions | Complete Rated A+ (Best guide)
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STATS 250 Week 12 Final Exam 2023 – Questions and Answers Rated A+ and STATS 250 Final Exam Solutions | Complete Rated A+ (Best guide)
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STATS 250 Final Exam Solutions (Complete Rated 100%) & STATS 250 Week 12 Final Exam 2023 (Questions and Answers Rated 100+)
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STATS 250 Final Exam Solutions (Complete Rated 100%) & STATS 250 Week 12 Final Exam 2023 (Questions and Answers Rated 100+)
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STATS 250 Week 12 Final Exam 2023 – Questions and Answers Rated A+
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STATS 250 Week 12 Final Exam 2023 – Questions and Answers Rated A+.
Make study stress less painful
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STATS 250 Final Exam Solutions | Complete Rated A+
- Exam (elaborations) • 12 pages • 2023
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STATS 250 Final Exam Solutions | Complete Rated A+.
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STATS 250 Final Exam Solutions | Complete Rated A+ 2023
- Exam (elaborations) • 12 pages • 2023
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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...
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STATS 250 Final Exam Solutions (Complete Rated 100%)
- Exam (elaborations) • 12 pages • 2023
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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...
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STATS 250 Week 12 Final Exam 2023 (Questions and Answers Rated 100+)
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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...
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STATS 250 Week 12 Final Exam 2023 – Questions and Answers Rated 100%
- Exam (elaborations) • 11 pages • 2023
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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 ...
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