What is the difference between a one- tail test and a two- tail test?
Answer to relevant QuestionsWhat is the six- step critical value approach to hypothesis testing? The owner of a specialty coffee shop wants to study coffee purchasing habits of customers at her shop. She selects a random sample of 60 customers during a certain week, with the following results: • The amount spent was ...Accounting Today identified the top accounting firms in 10 geographic regions across the United States. All 10 regions reported growth in 2013. The Southeast and Gulf Coast regions reported growth of 4.7% and 13.86%, ...Assume that you have a sample of n1 = 8, with the sample mean X1 = 42, and a sample standard deviation σ1 = 4, and you have an independent sample of n2 = 15 from another population with a sample mean of X-bar2 = 34 and a ...Let n1 = 100, X1 = 45, n2 = 50, and X2 = 25. a. At the 0.01 level of significance, is there evidence of a significant difference between the two population proportions? b. Construct a 99% confidence interval estimate for ...
Post your question