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Solve questions 4 and 5! Please show all calculations and work! Also show how you solved them step by step please!!! No excel!!
Determinants of college GPA (se in parentheses) collGPA1.39 .412 hsGPA+ .015 ACT- .083 skipped (.33) (.094) (.011) (.026) 1) For n=25, is hs GPA statistically significant at 95% confidence level? tCALC = 4.38 tCRIT = 2.08 tcuc > tCRIT YES, reject the null 2) For n=25, is hsGPA statistically significant at 99% confidence level? CALC- tCRIT 3) For n=200, is ACT statistically significant at 95% confidence level? CALC CRIT = 4) For n-200, is ACT statistically significant at 99% confidence level? CALC 5) For n=200, is skipped statistically significant at 95% confidence level? CRIT CALC CRIT
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Calculaled 011 se 083-3.192 w ③ 1015.1.363 , or ACT, at45% Leue, tcale 05,196 = 1.653ATISTICAL TABLES TABLE A.2 t Distribution: Critical Values of t Significance level Degrees of Two-tailed test: freedomOne-tailed test 10% 2.5% 0.5% 0.05% 6.314 2.706 31.82 3.657318.309 636.619 9.925 22.32731.599 10.215 2.924 4.303 6.965 4.541 5.841 4,604 4.032 2.571 3.365 6.869 5.893 5.208 4.501 1943 5.959 5.408 5.041 4.781 4.587 3.707 2.365 2.306 2.262 2.228 2.998 2.896 3.355 3.250 1.833 4.297 2.764 2.201 2.160 2.131 4.025 3.930 3.852 4.221 2.681 2.650 3.055 3.012 12 .318 15 2.602 2.947 3.733 3.686 1.740 02.567 2.898 2.552 3.922 3.850 3.819 3.768 2.086 2.5282 2.845 3.552 2.080 2.5182.83 2.074 2.069 2.064 21 3.527 2.819 2.807 2.797 2.787 2.508 2.500 3.467 34503 3.745 1.706 2.056 2.479 2.7793.435 3.707 3.690 3.674 3.659 2.457 .0 3.385 3.646 3.622 2.052 3.421 2.467 2.462 28 3.396 1.697 2.042 1.694 2.037 2.032 2.449 2.738 2.728 2.719 2.712 3.365 34 36 .333 3.319 3.296 3.277 3.566 3.551 3.538 1.686 1684 2.024 .682 2.692 2.687 2.682 46 3.505 2.009 2.000 1.990 2.407 2.403 2.390 2.381 2.374 2.368 2.364 2.660 2.648 3.232 3.211 3.435 1.664 2.632 2.626 1.658 1.655 1.980 1.976 3.373 2.345 2.339 2.609 2.601 2.592 3.340 1.968 1.966 1.650 400 2.326 3,090

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