contribute three substantive posts​ for each selection

contribute three substantive posts​ for each selection.

Question Description

contribute three substantive posts ____ As discussed in our readings, what are the steps involved in hypothesis testing? Why is it important to say we either reject or do not reject the null hypothesis? Compare and contrast the t-test and the z-test? When would you run a t-test instead of a z-test?

contribute three substantive posts What are some concepts behind variance analysis? Why is it important to test for variances in your data? Explain. How is variance analysis used in your profession? Provide an example. Compare and contrast the One-Way and Two-Way ANOVA? How are they similar and how do they differ?.

contribute three substantive posts-What is the purpose of using
correlation analysis? How may correlation analysis be used in business
decisions or in relation to strategy formulation and implementation? What is
the purpose of using correlation analysis? How may correlation analysis be used
in business decisions or in relation to strategy formulation and
implementation?

contribute three substantive postsWhat is the purpose of using multiple regression analysis? Does multiple regression have more than one role? How man it be used to formulate strategies? Provide examples related to strategy formulation and implementation. Discuss the relationship between independent and dependent variables with regard to correlation and regression analysis. What is the purpose of having a dependent variable and independent variables for multiple regression analysis?

contribute three substantive posts​ for each selection

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