Assume we have a sample of size n=16 from independent and identically distributed random variables from a normal distribution with mean u and unknwo standard deviation estimated by the sample standard deviation. We observe x =8 and s=4. We let e denote the length of the confidence interval with confidence level 1-a=95%. Which of the following statements are true? > qnorm (c(0.8,0.9,0.95,0.975,0.99,0.999)) [1] 0.8416212 1.2815516 1.6448536 1.9599640 2.3263479 3.0902323 > qt(c(0.8,0.9,0.95,0.975,0.99,0.999), df=15) [1] 0.866245 1.340606 1.753050 2.131450 2.602480 3.732834 Veuillez choisir au moins une réponse : а. The confidence interval equals [6.25,9.75]. O b. The confidence interval equals [5.87,10.13]. O c. The confidence interval equals [6.36,9.64]. O d. The confidence interval equals [6.04,9.96].
Assume we have a sample of size n=16 from independent and identically distributed random variables from a normal distribution with mean u and unknwo standard deviation estimated by the sample standard deviation. We observe x =8 and s=4. We let e denote the length of the confidence interval with confidence level 1-a=95%. Which of the following statements are true? > qnorm (c(0.8,0.9,0.95,0.975,0.99,0.999)) [1] 0.8416212 1.2815516 1.6448536 1.9599640 2.3263479 3.0902323 > qt(c(0.8,0.9,0.95,0.975,0.99,0.999), df=15) [1] 0.866245 1.340606 1.753050 2.131450 2.602480 3.732834 Veuillez choisir au moins une réponse : а. The confidence interval equals [6.25,9.75]. O b. The confidence interval equals [5.87,10.13]. O c. The confidence interval equals [6.36,9.64]. O d. The confidence interval equals [6.04,9.96].
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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We want to find the 95% CI for population mean.
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