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13- Find 99% confidence interval for E(YX) at X = 20,000.

13- Find 99% confidence interval for E(YX) at X = 20,000.

Intermediate Algebra
Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter12: Sequences, Series And Binomial Theorem
Section12.3: Geometric Sequences And Series
Problem 12.58TI: What is the total effect on the economy of a government tax rebate of $500 to each household in...
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13- Find 99% confidence interval for E(YX) at X = 20,000. 14- Find 99% prediction interval for Y at X, = 20,000. 15- Use diagnostics of predictor variable to check the existence of outliers. 16- At 0.05 significance level, test the autocorrelation between errors (State all the steps of the test). 17- Check the normality of the errors using an appropriate plot. 18- Use Spearman rank correlation test to detect heteroscedasticity at 0.05 significance level.
Transcribed Image Text:13- Find 99% confidence interval for E(YX) at X = 20,000. 14- Find 99% prediction interval for Y at X, = 20,000. 15- Use diagnostics of predictor variable to check the existence of outliers. 16- At 0.05 significance level, test the autocorrelation between errors (State all the steps of the test). 17- Check the normality of the errors using an appropriate plot. 18- Use Spearman rank correlation test to detect heteroscedasticity at 0.05 significance level.
Pop (1000's) Exports in billion $ 22,757 81.2 43,586 30.8 47,904 172.6 40,038 120.5 8,875 95.5 7,283 91.3 66,494 26.9 2,407 46 59,648 282 278,059 776 23,917 32.8 1,029,991 43.1 228,437 64.7 66,129 25 23,332 21.8 3,840 73.5 57,680 241.1 126,771 450 2,041 23.2 5,240 13.9 443 7.6 101,879 168 15,981 210.3 3,864 14.6 126,635 22.2 4,503 59.2 38,634 28.4 10,066 26.1 769 9.8 145,470 105.1
Transcribed Image Text:Pop (1000's) Exports in billion $ 22,757 81.2 43,586 30.8 47,904 172.6 40,038 120.5 8,875 95.5 7,283 91.3 66,494 26.9 2,407 46 59,648 282 278,059 776 23,917 32.8 1,029,991 43.1 228,437 64.7 66,129 25 23,332 21.8 3,840 73.5 57,680 241.1 126,771 450 2,041 23.2 5,240 13.9 443 7.6 101,879 168 15,981 210.3 3,864 14.6 126,635 22.2 4,503 59.2 38,634 28.4 10,066 26.1 769 9.8 145,470 105.1
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