Math533 Study guides, Class notes & Summaries

“A company makes men's button-up dress shirts and is considering changes to its design. How might the company go about finding a good sample of individuals? These decisions would include method of sampling, location of sampling, population to consider, and number in sample, in addition to any other considerations. Here's the basic idea: I want to perform cluster sampling at three of my 10 stores. I randomly select three stores (or choose three in different socio-economic locations) and as...

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MATH 533 WEEK 7 COURSE PROJECT PART C, REGRESSION AND CORRELATION

Renee_Williams_Course_ProjectB_Math533

Renee_Williams_Course_ProjectB_Math533

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MATH 533 Week 7 Course Project Part C Regression and Correlation Analysis SALESCALL Project. Regression Analysis: Sales versus Calls The regression equation is Sales = 9.638 + 0.2018 Calls Ans. 3 Math 3 The correlation coefficient between sales and calls is calculated as 0 .871. This is positive correlation coefficient; it means there is positive relationship between sales and calls. If the number of calls are increased then sales will also be increased and vice versa. The calculated cor...

MATH 533 Course Project Part C Regression Model Keller 2023. The correlation coefficient between sales and calls is calculated as 0.871. This positive correlation coefficient tells us that as the number of calls increase so does the number of sales. Correlation: Sales, Calls (Appendix III) Minitab Result Pearson correlation of Sales and Calls = 0.871 P-Value = 0.000 4. Minitab Result: (See above Fitted Line Plot for below result) S = 2.05708 R-Sq = 75.9% R-Sq(adj) = 75.7% The coefficien...