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  • 1. Section 7.2 Sig level Tails z-critical µ sample mean s n 0.1 Left -1.28 8.5 8.2 0.5 35 Sig level Tails z-critical µ sample mean s n 0.06 Right 1.55 35 36 4 100 Sig level Tails z-critical µ sample mean s n 0.05 Two 1.96 80 83 35 42 z-critical -1.96 Section 7.3 Sig level Tails t-critical µ sample mean s n 0.05 Left -1.729 40.3 34 11 20 Sig level Tails t-critical µ sample mean s n 0.05 Right 1.833 8.7 9.3 0.04 10 Sig level Tails t-critical µ sample mean s n 0.05 Two 2.069 38 28 9 24 t-critical -2.069 Section 7.4 Sig level Tails z-critical p q p^ n 0.01 Left -2.33 0.2 0.8 0.15 100 Sig level Tails z-critical p q p^ n 0.01 Right 2.33 0.02 0.98 0.22 200 Sig level Tails z-critical p q p^ n 0.05 Two 1.96 0.3 0.7 0.34 500 z-critical -1.96 Section 7.5-Given Variance Level of Significance Sample Size Degree of FreedomCritical Score Pop Var Sample Var Right Tail 0.1 10 9 14.68 0.4 0.75 Left Tail 0.05 24 23 13.09 3.5 3.42 Two-tail 0.05 18 17 30.19 0.52 0.51 0.05 18 17 7.56 Section 7.5-Given Standard Deviation Level of Significance Sample Size Degree of FreedomCritical Score Pop St. Dev Sample St. Dev Right Tail 0.05 51 50 67.5 0.58 0.38 Left Tail 0.01 9 8 1.65 3.7 3 Two-tail 0.05 20 19 32.85 0.05 20 19 8.91
  • 2. z -3.55 z 2.50 z 0.56 t -2.561 t 47.434 t -5.443 z -1.25 z 20.20 z 2.15 45018 34952 85517 Test 45553 16.88 41900 22.47 76384 16.61 48862 37615 61104 96710 97875 68245 39945 53582 Test 65252 21.46 72522 5.26 #DIV/0! 20663 426959245
  • 3. 643 640 630 635 632 641 641 639 641 637 646 638 636 635 629 630 638 641 633 634 636 638 647 635 638 632 634 644 635 637 632 636 640 633 640 639 630 636 642 638 643 633 631 635 4.43