9. The subject under investigation is the measure of dependence of Tamil on words of2.023 origin. One newspaper article reporting the proceedings of the constituent assembly containedby th words of which 729 words were declared by literary critic to be of Sanskrit origin. A second articlebv the me author describing atomic research contained 1.600 words of which 640 words were declaredlinvi same critic to be of Sanskrit origin, Assuming that simple sampling conditions hold, estimate theVifor the proportion of Sanskrit words in the writer's vocabulary and examine whether there is anysmncant difference in the denendence of this writer on words of Sanskrit origin in writing the twoarticles.Take a = 0:05.

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Answered: 9. The subject under investigation is…

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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The subject under investigation is the measure of dependence of Tamalia on words of Sanakarti origin. One newspaper article reporting the proceedings of the constituent assembly contained 2,025 words of which 729 words were declared by literary critic to be of Sanakarti origin. A second article by the same author describing atomic research contained 1,600 words of which 640 words were declared by the same critic to be of Sanskrit origin. Assuming that simple sampling conditions hold, estimate the limits for the proportion of Sanakarti words in the writer's vocabulary and examine whether there is any significant difference in the dependence of this writer on words of Sanakarti origin in writing the two articles. Take alpha = 0.05. %3D
An investigator analyzed the leading digits from 791 checks issued by seven suspect companies. The frequencies were found to be 5, 13, 5, 68, 273, 358, 5, 23, and 41, and those digits correspond to the leading digits of 1, 2, 3, 4, 5, 6, 7, 8, and 9, respectively. If the observed frequencies are substantially different from the frequencies expected with Benford's law shown below, the check amounts appear to result from fraud. Use a 0.01 significance level to test for goodness-of-fit with Benford's law. Does it appear that the checks are the result of fraud? Leading Digit Actual Frequency Benford's Law: Distribution of Leading Digits 1 3 4 5 6 7 8 9 13 5 68 273 358 5 23 41 30.1% 17.6% 12.5% 9.7% 7.9% 6.7% 5.8% 5.1% 4.6% Determine the null and alternative hypotheses. Но At least one leading digit has a frequency that does not conform to Benford's law. The leading digits are from a population that conforms to Benford's law. At least two leading digits have frequencies that do not conform…
Let the sample mean of a set of 20 data points be 30. If it is discovered that a data point having value 25 was incorrectly entered as 15, what should be the revised value of the sample mean?
5. A psychologist want to determine effect from consumption alcohol to ability type from group secretary . Two factor considered , namely : the number of consumption alcohol (0, 1, and 2 ounces ) and type articles ( technical , non- technical ). group of 12 secretaries who have ability similar in type by random chosen with level / level of consumption and type article . Every secretary instructed_ for type one sheet page ( technical or non-technical ). Amount error type created by each_ Secretary noted with results as follows . Type of manuscript Alcoholic Consumption (ounces) Technical Nontechnical 5 3 2 1 12 3 14 6 18 10 21 7 At level significance of 0.01, do the test: a) Is there is effect because level consumption alcohol ? b) Is there is effect because type articles ?? c) Is there is interaction Among consumption alcohol and types article ?
Construct a sample with no mode (with at least two different values in the set) of 4 measurements whose range is 14. If this is not possible, indicate "Cannot create sample".
It is desired to estimate the proportion of motor vehicles registered in a province whose chassis number is incorrectly entered in the traffic document. For this purpose, 135 of the vehicles coming to the inspection station are selected randomly and it is seen that the chassis numbers of 41 of these vehicles are wrongly written on the traffic document. Which of the following is the point estimate of the proportion of motor vehicles in this province whose chassis numbers are wrongly written in the traffic document
c) A simple random sample of 200 names from a list of 3042 names and addresses wereinvestigated and the record shows that 38 had wrong addresses. i. Estimate the total number of addresses that needs correction Compute the standard error of your estimate in (i) above .
An investigator analyzed the leading digits from 794 checks issued by seven suspect companies. The frequencies were found to be 218, 130, 106, 83, 65, 48, 48, 37, and 59, and those digits correspond to the leading digits of 1, 2, 3, 4, 5, 6, 7, 8, and 9, respectively. If the observed frequencies are substantially different from the frequencies expected with Benford's law shown below, the check amounts appear to result from fraud. Use a 0.025 significance level to test for goodness-of-fit with Benford's law. Does it appear that the checks are the result of fraud? Leading_Digit Actual_Frequency Benford's_Law:1) 218 30.10%2 )130 17.60%3) 106 12.50%4) 83 9.70%5) 65 7.90%6) 48 6.70%7) 48 5.80%8) 37 5.10%9) 59 4.60% Calculate the test statistic, χ2 =? (Round to three decimal places as needed.) Calculate the P-value=? (Round to four decimal places as needed.)
A population consisting of Reg. Nos. 2, 3, 5, 6, 7. • Draw all possible sample of size 2 without replacement from this population. • Construct sampling distribution of sample proportion of odd No. • Find expected mean and standard error from this sampling distribution. • Also verify the results.
Suppose you compile all possible samples of 25 children of preschool age in your school district. If you calculate the mean of each sample (M) and create a frequency distribution of these means, this distribution is referred to as the
A population consists of four numbers 3, 4, 2, 5. Consider ail possible distinct samples (without replacement) of size two and verify that the population mean is equal to the mean of the sample means.
1.) Suppose 5% of students are veterans and 143 students are involved in sports. How unusual would it be to have no more than 12 veterans involved in sports? (12 veterans is about 8.3916%)When working with samples of size 143, what is the mean of the sampling distribution for the proportion of veterans? When working with samples of size 143, what is the standard error of the sampling distribution for the proportion of veterans? Compute P(ˆp≤p^≤ 0.083916).P(ˆp≤p^≤ 0.083916) = NOTE: Give results accurate to 5 decimal places 2.)Suppose 15% of students are veterans and 138 students are involved in sports. How unusual would it be to have no more than 14 veterans involved in sports? (14 veterans is about 10.1449%)When working with samples of size 138, what is the mean of the sampling distribution for the proportion of veterans? When working with samples of size 138, what is the standard error of the sampling distribution for the proportion of veterans? Compute P(ˆp≤p^≤ 0.101449).P(ˆp≤p^≤…

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