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It is desired to test H, -50 against population with mean and variance e Which one of the following statements is incorrect? O a. Ob Ос. O d O a. Ob O c O d. Hypotheses: Ho: = 50 against Ho: 50. in a random sample of 36 observations from a bivariate normal distribution, it was found that the sample correlation coefficient - 04. If we want to test the significance of the correlation at the 5% level of significance, which one of the following statements is incorrect? 50, using a sample size of n 13 from a normal Suppose that the true mean is p 50 +0.75 The probability of type 2 error at the 5% level of significance is 0.69 The probability of type I error at the 5% level significance is 0.31. The power of the test at the 5% level of significance is 0.35 Hep against Hup+0. T= 2.5448. The critical value is 2.032. We do not reject M, at the 5% level of significance. Let and be independent random variables such that EO)- EO)-, and VARO) -VARO)- The least square estimators of , and are O a O b. Oc O d. ₁Y₁ and ₂ Y₂-l = 6,2%, and -21₂ and ₂- 8₂=-Y₂0 and ₂ = -2Y0. Let XXX be a random sample that with following summary statistics -76928 2-¹-92420147.69 0-8-117394234528.89 We want to test whether the data has a skewness of a normal distribution at 5% level of significance (two-sided test) Which one of the following statements is correct? O a Ob Oc Od We have to test H₁:₁ = 0 against H₁: B₁ > 0. A: 420147,69 -117394234528.89 The critical value is 0,791 (upper percent point). 8--0.46

It is desired to test H, -50 against population with mean and variance e Which one of the following statements is incorrect? O a. Ob Ос. O d O a. Ob O c O d. Hypotheses: Ho: = 50 against Ho: 50. in a random sample of 36 observations from a bivariate normal distribution, it was found that the sample correlation coefficient - 04. If we want to test the significance of the correlation at the 5% level of significance, which one of the following statements is incorrect? 50, using a sample size of n 13 from a normal Suppose that the true mean is p 50 +0.75 The probability of type 2 error at the 5% level of significance is 0.69 The probability of type I error at the 5% level significance is 0.31. The power of the test at the 5% level of significance is 0.35 Hep against Hup+0. T= 2.5448. The critical value is 2.032. We do not reject M, at the 5% level of significance. Let and be independent random variables such that EO)- EO)-, and VARO) -VARO)- The least square estimators of , and are O a O b. Oc O d. ₁Y₁ and ₂ Y₂-l = 6,2%, and -21₂ and ₂- 8₂=-Y₂0 and ₂ = -2Y0. Let XXX be a random sample that with following summary statistics -76928 2-¹-92420147.69 0-8-117394234528.89 We want to test whether the data has a skewness of a normal distribution at 5% level of significance (two-sided test) Which one of the following statements is correct? O a Ob Oc Od We have to test H₁:₁ = 0 against H₁: B₁ > 0. A: 420147,69 -117394234528.89 The critical value is 0,791 (upper percent point). 8--0.46

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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It is desired to test Ho: 50 against Ho: 50, using a sample size of n = 13 from a normal population with mean and variance ². Suppose that the true mean is = 50 +0.75 a Which one of the following statements is incorrect? O a. O b. O C. O d. O a. O b. O c Hypotheses: Ho: μ = 50 against Ho:μ + 50. In a random sample of 36 observations from a bivariate normal distribution, it was found that the sample correlation coefficient r = 0.4. If we want to test the significance of the correlation at the 5% level of significance, which one of the following statements is incorrect? O d. The probability of type 2 error at the 5% level of significance is 0.69. The probability of type I error at the 5% level significance is 0.31. The power of the test at the 5% level of significance is 0.35. Ho: p=0 against Ho: p0. T = 2.5448. The critical value is 2.032. We do not reject H, at the 5% level of significance. Let Y, and Y₂ be independent random variables such that E(Y₂) 0₁ E(₂) 0₂ and VAR(Y) =VAR(₂)= ². The least square estimators of , and ₂ are O a. O b. O C. O d. 9₁=Y₁ and ₂ = Y₂-1 ₁2Y₁ and ₂ = 2Y₂. 6₁ = // and 9₂ = = A ₁-Y₂0 and ₂ = -2Y0. Let X₁, X₂..... X₁2 be a random sample that with following summary statistics: 2:X=76928 (X-X)² =92420147.69 (X-X)³=-117394234528.89 We want to test whether the data has a skewness of a normal distribution at 5% level of significance (two-sided test). Which one of the following statements is correct? O a. O b. О с. O d. We have to test Ho: B₁ = 0 against H₁: B₁ > 0. A = 420147,69 -117394234528,89 The critical value is 0,791 (upper percent point). B₁ = -0.46.
Transcribed Image Text:It is desired to test Ho: 50 against Ho: 50, using a sample size of n = 13 from a normal population with mean and variance ². Suppose that the true mean is = 50 +0.75 a Which one of the following statements is incorrect? O a. O b. O C. O d. O a. O b. O c Hypotheses: Ho: μ = 50 against Ho:μ + 50. In a random sample of 36 observations from a bivariate normal distribution, it was found that the sample correlation coefficient r = 0.4. If we want to test the significance of the correlation at the 5% level of significance, which one of the following statements is incorrect? O d. The probability of type 2 error at the 5% level of significance is 0.69. The probability of type I error at the 5% level significance is 0.31. The power of the test at the 5% level of significance is 0.35. Ho: p=0 against Ho: p0. T = 2.5448. The critical value is 2.032. We do not reject H, at the 5% level of significance. Let Y, and Y₂ be independent random variables such that E(Y₂) 0₁ E(₂) 0₂ and VAR(Y) =VAR(₂)= ². The least square estimators of , and ₂ are O a. O b. O C. O d. 9₁=Y₁ and ₂ = Y₂-1 ₁2Y₁ and ₂ = 2Y₂. 6₁ = // and 9₂ = = A ₁-Y₂0 and ₂ = -2Y0. Let X₁, X₂..... X₁2 be a random sample that with following summary statistics: 2:X=76928 (X-X)² =92420147.69 (X-X)³=-117394234528.89 We want to test whether the data has a skewness of a normal distribution at 5% level of significance (two-sided test). Which one of the following statements is correct? O a. O b. О с. O d. We have to test Ho: B₁ = 0 against H₁: B₁ > 0. A = 420147,69 -117394234528,89 The critical value is 0,791 (upper percent point). B₁ = -0.46.
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