I. The elements of the first population are 3 and 9 and the elements ofthe second population are 4, 8, and 12. Consider all the possiblesamples of size 3 that can be drawn with replacement from the firstpopulation, and all the possible samples of size 2 that can be drawnwith replacement from the second population. Form the sampledistribution of sample means and verify the results, respectively.

The data for population 1:The population size is The sample size is 3 and 9 are the elements in…

Answered: The elements of the first population…

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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Consider an environmentalist examines two forests, forest A and forest B. The proportion of maple trees in forest A is .38, and the proportion of maple trees in forest B is .24. Consider a sample of 35 trees from each forest is collected and we are interested in examining Pa, which is the sample proportion of maple trees from forest A, and Pg, which is the sample proportion of maple trees from forest B. a) Using the guideline discussed in class verify that the sample size is large enough in each forest for the normal approximation of the binomial distribution to be valid. b) What is the approximate distribution of PA, and PR,? Include the mean and variance. c) What is the approximate distribution of U = PA – Pg?
Classify the two given samples as independent or dependent. Sample 1: The SAT scores for 33 high school students who did not take an SATpreparation course Sample 2: The SAT scores for 43 high school students who did take an SAT
A particular part that is used as an injection device is sold in lots of 10. The producer deems a lot acceptable if no more than one defective is in the lot. A sampling plan involves random sampling and testing 3 of the parts out of 10. If none of the 3 is defective, the lot is accepted. Comment on the utility of this plan. Determine the correct parameter.
Consider the patient data in the table below.Suppose that patients are randomly selected withreplacement from the total for hospital 4.What is the smallest sample size needed so that theprobability is at least 90% that at least one patient isLWBS?
The following sample was obtained from the population. 13,7,6,12,0,4 a) Compute the sample mean.
Q1. Highlight the target population, identify the sampling technique used, and calculate the sample size for the cases listed below. Students may use Krejcie and Morgan (1979) table where required. John worked in a FMCG with 2000 employees. He calculated a sampling fraction of 1/5. Using the employee list available with HR department, he assigned each employee a unique number. John selected first employee at random from the early 5 in that list and continued to select every fifth employee onwards. Talha needed to ensure that the total of 900 staff from all the three departments of a university was represented correctly in his research. His sampling frame…
f. The p-value for this sample = i. Thus, the final conclusion is A. There is insufficient evidence to conclude that the distribution of die rolls is not uniform. B.There is insufficient evidence to conclude that the die rolls are dependent. C.There is sufficient evidence to conclude that the distribution of die rolls is not uniform. D. There is sufficient evidence to conclude that the die rolls are dependent.

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