Question: For each question below, using the SPSS output (attached below) and describe your results as if you were writing them in a research paper. Was
For each question below, using the SPSS output (attached below) and describe your results as if you were writing them in a research paper.
- Was the average GPA significantly different from 3.0?
- What is the 95% confidence interval for GPA?
- Use the variable that indicates how many hours people spend hanging out with friends. Is the average time spent with friends significantly more or less than 5 hours?
- What is a 99% confidence interval for hours spent with friends?


+ T-Test One-Sample Statistics Std. Std. Error N Mean Deviation Mean GPA 15 3.2067 44315 11442 One-Sample Test Test Value = 3 95% Confidence Interval of Significance Mean the Difference t df One-Sided p Two-Sided p Difference Lower Upper GPA 1.806 14 .046 092 20667 -.0387 4521 One-Sample Effect Sizes Standardizera Point 95% Confidence Interval Estimate Lower Upper GPA Cohen's d .44315 466 -.075 993 Hedges' correction .46880 441 -.071 939 a. The denominator used in estimating the effect sizes. Cohen's d uses the sample standard deviation. Hedges' correction uses the sample standard deviation, plus a correction factor.+ T-Test One-Sample Statistics Std. Std. Error N Mean Deviation Mean Friend Hours 15 9.8000 2.65115 .68452 One-Sample Test Test Value = 5 99% Confidence Interval of Significance Mean the Difference t df One-Sided p Two-Sided p Difference Lower Upper Friend Hours 7.012 14 <.001 one-sample effect sizes standardizera point confidence interval estimate lower upper friend hours cohen d hedges correction .683 a. the denominator used in estimating sizes. uses sample standard deviation. deviation plus a factor>
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