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QUESTION: Compute in SPSS and interpret (in writing) the 95 percent confidence interval of the mean age (AGE4) of U.S. adults. Calculate the 95 percent
QUESTION: Compute in SPSS and interpret (in writing) the 95 percent confidence interval of the mean age (AGE4) of U.S. adults. Calculate the 95 percent confidence interval of the mean by hand using the formula for interval/ratio variable and compare your result with SPSS output. Use lab presentation as an example. Provide: Mean, z-score, SE, Error Term, LCL, UCL.
The formula for interval/ratio variable and standard error: