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Hypothesis testing : T test in SPSS

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See attached file using SPSS software to open the .sav file to view data.

The data in the table, obtained from Business Week's (June 22, 2006) technology section, represents typical salaries of technology professionals in 13 metropolitan areas for 2003 and 2005. Suppose you want to determine if the mean salary of technology professionals at all U.S metropolitan areas has increased between 2003 and 2005

(a) Set up the null and alternative hypothesis for the test.

(f) Make the appropriate conclusion. More specifically, examine whether the null hypothesis should be rejected by analyzing the data with SPSS. Use ± = .05

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Step by step method for computing test statistic for t test in SPSS is given in the answer.

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