Transcription of ANSWERS TO EXERCISES AND REVIEW QUESTIONS
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ANSWERS TO EXERCISES AND REVIEW QUESTIONS
1 ANSWERS TO EXERCISES AND REVIEW QUESTIONS PART FIVE: STATISTICAL TECHNIQUES TO COMPARE GROUPS Before attempting these QUESTIONS read through the introduction to Part Five and Chapters 16-21 of the SPSS survival Manual. T-tests Using the data file follow the instructions in Chapter 16 of the SPSS survival Manual to find out if there is a statistically significant difference in the mean score for males and females on the Total Life Satisfaction Scale (tlifesat). Present this information in a brief report. T-Test Group sexMALESFEMALES tlifesat total life satisfactionNMeanStd. DeviationStd. Error Mean Independent Samples variancesassumedEqual variances notassumedtlifesat totallife 's Testfor Equality ofVariancestdfSig.(2-tailed)MeanDifferen ceStd. ErrorDifferenceLowerUpper95% ConfidenceInterval of theDifferencet-test for Equality of Means An independent-samples t-test was conducted to compare total life satisfaction scores for males and females.
Before attempting these questions read through the introduction to Part Five and Chapters 16-21 of the SPSS Survival Manual. T-tests 5.1 Using the data file survey.sav follow the instructions in Chapter 16 of the SPSS Survival Manual to find out if there is a statistically significant difference in the mean score for males
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