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SPSS Analis 4: One Sample ttest: Is the average salary within one local branch of a company signicantly different than the average salary within the same company throughout the country? Problem: There is coffee shop located in Buffalo, NY. This shop is just one branch of a much bigger company that is spread throughout the entire country. The manager of the Buffalo location is meeting with the top leaders of the business and wishes to make the argument that her employees are making far less than the rest of the employees throughout the country and deserve an increase in pay. ln_9rd_er_t_q make an effective argument, she has a data set with the salary of all her employees at her local branch as well as the average salary of all the employees within the business as a whole. This population mean is equal to $44,564. Hypotheses: In a brief paragraph, restate the question. What is the sample? What is the population? State the null and alternative hypotheses (This time you do have a number and can state these in terms of it). SPSS Analysis: We have some data from a hypothetical sample that includes the salaries from the Buffalo coffee shop. We also know that the average salary from the entire corporation is $44,564. Results: Identify the primary goal of this analysis. Report the t-value and p-value and discuss in words/paragraph if the salary for the local business is significantly different from the national average? How do you know which direction this difference is? In other words, how do you know which is higher, the national average or the local branch? Conclusions: Write a brief paragraph that discusses what you learned from this data. Does the manager from the local coffee shop have an argument? What are the limitations of a one- sample t-test? One-Sample Statistics N Mean Std. Deviation Std. Enor Mean Current Salary 474 334 419.57 $17,075.661 3784.311 Ono-Sample Test Test Value = 44564 95% Condence Interval of the Signicance Difference t of One-Sided p TwoSided p Mean Difference Lower Current Salary 42934 473 (.001 <.001 one-sample test value="44564" condence interval of the difference upper current salary>