Describe when a z-test should be performed

Reference no: EM13821092

DQ 1: Describe when a z-test should be performed as opposed to a t-test? Which (if any) can we use all the time? Why or why not?

DQ 2: Your manager, who just read an abridged version of a statistics book, wants you to test hypotheses for the difference in two population means. The sample sizes for each are 23. He is adamant that you perform a z-test. What would you tell him? What specific explanation would you give?

Reference no: EM13821092

Questions Cloud

Multi-domestice strategy and global : Companies such as Intel, IT, and Motorola all pursue a ________ while companies like Honda and McDonalds pursue a ______. Multi-domestice strategy, global. Multination strategy, transnational.

How evidence-based research contributes to health policies : Evaluate how these two health services research projects contribute to the quality of care

Example of a situation in which you believe : Give an example of a situation in which you believe a Type I Error is more serious. Give an example of a situation in which you believe a Type II Error is more serious. In each case, why do you think so?

Why is the author writing about the subject in given article : Why is the author writing about the subject? What is the thesis of the article? What are the key points/facts presented in the article? What are the conclusions and recommendations?

Describe when a z-test should be performed : DQ 1: Describe when a z-test should be performed as opposed to a t-test? Which (if any) can we use all the time? Why or why not?

What is the purpose of leverage within an organization : In general, how can financial ratios be used for evaluating a company? please advice in two paragraphs. What is the purpose of leverage within an organization? What is the purpose of the income statement for financial reporting?

Question regarding the statistical analysis technique : A client gives you a data set of 30 observed values that represent the number of gallons of gas that 30 individual Nissan Sentra owners purchased at the gas pump last month. Your client wants to know if the data set represents a normal distributio..

About unethical behavior and its cost : Unethical Behavior and its Cost

Erroneously adjusted and out-of-control process is ignore : Provide some examples in business or daily life in which a controlled process is erroneously adjusted and an out-of-control process is ignored. What implications do these errors have?

User Account

All Pages