Stuvia-3457017-sta1502-assignment-4-answers-2023

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University of South Africa *

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STA1502 ASSIGNMENT 4 ANSWERS 2023 written by wePASS www.stuvia.com Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Select one: 1. (1.735;1.576) 2. (-1.996; 1.488) 3. (-1.906; 1.488) 4. (-0.812; 6.612) 5. (-0.209; 1.697) 2. Select one: Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace 1. μ 1 ≠ μ 2 = μ 3 2. μ 1 = μ 3 3. μ 2 = μ 3 4. μ 1 = μ 2 ≠ μ 3 5. μ 1 ≠ μ 2 3. Select one: 1. 50.33. 2. 47. 3. 53.33. 4. Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
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Stuvia.com - The study-notes marketplace 41. 5. 52. 4. Select one: 1. (-1.353; 1.1304) 2. (0.696; 0.747) 3. (-0.9960; 0.7738) 4. (-1.2893; 1.0671) 5. (-0.111; 0.8849) 5. Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace Select one: 1. 20.52 2. 2.052 3. 18.67 4. 29.25 5. 5 6. Select one: 1. 0.235. 2. 0.871 3. 0.325 Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
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Stuvia.com - The study-notes marketplace 4. 0.055 5. -0.485. 7. Select one: 1. The mean square for treatment is 0.4667. 2. The grand mean is 4.4667. 3. The means of the three samples are 4.2, 4.8 and 4.4, respectively. 4. The mean square for error is 5.386. 5. The standard deviations of the three samples are 1.924; 3.033 and 2.702, respectively. Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace 8. Select one: 1. The mean square for treatment is 64.25. 2. The sum square for error is 9.733. 3. The F-test statistic for treatment is 6.601. 4. The F-test statistic for block is 6.851. 5. The mean square for block is 47.222. 9. Select one: 1. Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace 0.0467 2. 0.4674 3. 0.2327 4. 0.6474 5. 0.7642 10. Select one: 1. 88.3600 2. 19.3671 3. 24.7565 4. 250 Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
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Stuvia.com - The study-notes marketplace 5. 22.2533 11. Select one: 1. The standard deviation for the test is 5.9161. 2. The standardized test statistic is -0.3381. 3. The mean for the test is 14. 4. The null hypothesis is rejected at 5% level of significance. 5. The p-value for the test is 0.7338. 12. Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace Select one: 1. (-0.3382; 0.1618) 2. (0.1617; 0.3383) 3. (-0.3170; -0.1830) 4. (0.25; 0.0883) 5. (0.3582; 0.1618) 13. Select one: 1. The alternative hypothesis for the test is (H 1 ) two classifications are dependent. 2. The critical value at 5% level of significance is 9.49. 3. The degrees of freedom are 1. 4. The null hypothesis for the test is (H 0 ) two classifications are independent. Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace 5. The test statistic for test is 6.0587. 14. Select one: 1. The test statistic for the test is 1.5998. 2. We reject the null hypothesis at 1% level of significance. 3. The pooled variance for the test is 24.535. 4. The degrees of freedom for the difference between two population means is 28. 5. The critical value at 1% level of significance is 2.467. Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
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Stuvia.com - The study-notes marketplace 15. Select one: 1. The mean of Y is 7. 2. The covariance of X and Y is -1.4. 3. The variance of X is 4.167 4. The mean of X is 3.83. 5. The standard deviation of Y is 2. Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace 16. Select one: 1. The standard error for the test is 0.0342. 2. The test statistic for the test is 0.7033. 3. The one-tailed test is appropriate. 4. The sample proportion is p ̂ 1 = 0.5 and p ̂ 2 = 0.75. 5. The critical value at 5% level of significance is 1.645. 17. Select one: 1. Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace 45. 2. -43.728 3. 3.613 4. 47.361. 5. 2.361. 18. Select one: 1. 0.2420 2. 0.5000 3. 0.2033 4. 0.0000 5. Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
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Stuvia.com - The study-notes marketplace 0.4721 19. Select one: 1. (-3.363; 7.363) 2. (2.0: 4.501) 3. (-2.051; 6.051) 4. (4.501; 6.105) 5. (-2.501; 6.501) Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace 20. Select one: 1. The alternative hypothesis is H 1 : μ 1 ≠ μ 2 . 2. The test statistic for the test is 0.731. 3. The null hypothesis is H 0 : μ 1 = μ 2 . 4. We fail to reject the null hypothesis at 5% level of significance. 5. The standard error for the difference between the two-sample mean is 2.736 Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace 21. Select one: 1. 0.636 2. 0.366 3. 0.063 4. 0.733 5. 0.467 22. A researcher wants to predict the future values of the following time series. Period 1 2 3 4 5 Forecast 36 27 68 17 60 Actual value 75 16 75 57 70 The value of the sum squares errors equal to Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
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Stuvia.com - The study-notes marketplace Select one: 1. 3342. 2. 1521. 3. 3391 4. 3931. 5. 3319. 23. Select one: 1. 0.235 2. 7.648 Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace 3. 4.167 4. 1.529. 5. 6.648. 24. Select one: 1. (2.9; 3.712) 2. (-0.653; 6.453) 3. (0.721; 5.612) 4. (-0.812; 6.612) 5. (0.563; 6.543) Stuvia.com - The study-notes marketplace Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
Stuvia.com - The study-notes marketplace 25. Select one: 1. 1.7756. 2. 0.9625 3. 0.0375. 4. 0.3750 5. 0.0446 Powered by TCPDF (www.tcpdf.org) Downloaded by: LesaSmith | Lesimothapo@gmail.com Distribution of this document is illegal Want to earn R13,625 per year?
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