Question: Use Table 5 in Appendix B to
Use Table 5 in Appendix B to find the critical value(s) for the alternative hypothesis, level of significance α, and sample sizes n1 and n2. Assume that the samples are random and independent, the populations are normally distributed, and the population variances are
a. equal and
b. not equal.
From Table 5 in Appendix B:
Hα: µ1
Transcribed Image Text:
Level of confidence, e One tail, a Two tails, a 0.80 0.90 0.95 0.98 0.99 0.10 0.05 0.025 0.01 0.005 d.f. 0.20 0.10 0.05 0.02 0.01 1 3.078 6.314 12.706 31.821 63.657 1.886 2.920 2.353 4.303 6.965 9.925 1.638 3.182 4.541 5.841 1.533 2.132 2.776 3.747 4.604 1.476 2.015 2.571 3.365 4.032 1.440 1.943 2.447 3.143 3.707 1895 1.860 1.415 2.365 2.998 2.896 3.499 3.356 8 1.397 2.306 1.383 1833 2.262 2.821 3.250 10 1.372 1.812 2.228 2.764 3.169 11 1.363 1.796 2.201 2.718 3.106 12 1.356 1.782 1.771 2.179 2.681 3.055 2.650 2.624 2.602 3.012 2977 13 1.350 2.160 14 1.345 1.341 1.761 2.145 2.131 15 1.753 2.947 16 1.337 1.746 2.120 2.683 2.921 17 1.333 1.740 1.734 2.110 2.567 2.898 1.330 1.328 2.101 2.093 18 2.662 2878 19 1.729 1.725 2.539 2.528 2.861 1.325 1.323 1.321 1.319 1.318 20 2.086 2.845 21 1.721 2.080 2,518 2.831 22 1.717 1.714 2.074 2.508 2819 23 2.069 2.500 2.807 24 1.711 2.064 2.492 2.797 25 1.316 1.708 1.706 2.060 2.485 2.787 2.779 2479 2473 26 1.315 2.056 27 1.314 1.703 2.052 2.048 2.771 2.763 2.467 2.462 28 1.313 1.701 2.045 2.042 2.040 29 1.311 1.699 2.756 2.457 2.463 2449 30 1.310 1.697 2.750 1.309 1.309 31 1.696 2.744 32 1.694 2.037 2.738 33 1.308 1.692 1.691 2.035 2.445 2.441 2.733 34 1.307 2.032 2.728 35 2.030 1.306 1306 1.690 2438 2.724 36 1.688 2.028 2.434 2.719 2.026 2.024 37 1.306 1.304 1.687 2431 2.715 38 1.686 2.429 2.712 39 1.304 1.685 2.023 2.426 2.708 40 1.303 1.684 2.021 2423 2.704 45 1.301 1.299 1.679 1.676 2.014 2412 2.090 2.678 60 2.009 2403 60 1.296 1.671 2.000 2.660 2.390 2.381 1.204 1.292 1.994 1.990 70 1.667 2.648 2.374 2.308 80 1.664 2.639 90 1.291 1.662 1.987 2.632 100 1.290 1.660 1.984 2.364 2.626 1.283 1.282 1.282 500 1.648 1.965 2.334 2.586 1000 1.646 1.962 2.330 2.581 1.646 1.960 2.326 2.676
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> a. identify the claim and state H0, and Ha, b. find the critical value(s) and identify the rejection region(s), c. find the standardized test statistic z, d. decide whether to reject or fail to reject the null hypothesis, and e. interpret the decisio
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> a. identify the claim and state H0, and Ha, b. find the critical value(s) and identify the rejection region(s), c. find the standardized test statistic z, d. decide whether to reject or fail to reject the null hypothesis, and e. interpret the decisio
> a. identify the claim and state H0, and Ha, b. find the critical value(s) and identify the rejection region(s), c. find the standardized test statistic z, d. decide whether to reject or fail to reject the null hypothesis, and e. interpret the decisio
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> Find the critical value(s) and rejection region(s) for the type of chi-square test with sample size n and level of significance α. Left-tailed test, n = 7, α = 0.01
> Find the critical value(s) and rejection region(s) for the type of chi-square test with sample size n and level of significance α. Right-tailed test, n = 10, α = 0.10
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