The subject under investigation is the measureof dependence of Tamalia on words ofSanakarti origin. One newspaper articlereporting the proceedings of the constituentassembly contained 2,025 words of which 729words were declared by literary critic to be ofSanakarti origin. A second article by the sameauthor describing atomic research contained1,600 words of which 640 words were declaredby the same critic to be of Sanskrit origin.Assuming that simple sampling conditionshold, estimate the limits for the proportion ofSanakarti words in the writer's vocabulary andexamine whether there is any significantdifference in the dependence of this writer onwords of Sanakarti origin in writing the twoarticles.Take alpha = 0.05.%3D

The parametric and non parametric test are used to compare the population and sample. Parametric…

Answered: The subject under investigation is the…

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 Boeing Company wants to investigate the fuel consumption of all flights of the company. For this purpose, the company selects all flights (of Boeing) from UK to USA. a) Clearly define the population and sample of this study. b) Clearly define an appropriate parameter and statistic for this study. c) Discuss the representativeness of the sample. ***The answer should be very detailed and clear, THANK YOU!!!
Each of the following samples are from a tangible or conceptual (intangible) population. For each, define the population and pick whether this population is tangible or conceptual. (a) Sixty college students at L University were interviewed and asks whether they voted in the election 2022. Pick one: Tangible or Conceptual (b) A new forging process produces ten steel beams and the strength (in MPa) of each is measured and recorded. Pick one: Tangible or Conceptual (c) Twenty-five bags of M&M’s Milk Chocolate Fun Size Candy were randomly selected from a batch of mass production. The number of colors of candies in each of the bags were recorded. Pick one: Tangible or Conceptual (d) The voltage (in Volt) of a potato was measured by a sensitive multimeter for ten times. Pick one: Tangible or Conceptual
In 2015, the average duration of long-distance telephone calls from a certain town was 3.9 minutes.A telephone company wants to perform a test to determine whether this average duration of longdistance calls has changed. Fifty calls, originating from the town, was randomly selected and thefollowing summary minutes.∑ ? = 205 ∑(? − ?̅)∑(? − ?̅)2 = 56.43 a) Calculate the sample mean, ?̅. b) Calculate the sample standard deviation c) Using the p value approach at the 1% level of significance, test whether the mean duration oflong-distance calls from the town had increased. d) Construct the 99% confidence interval for the population mean duration of the long-distance calls from the town. Answer sub-parts (d)
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained physical activity. What sample size should be obtained if she wishes the estimate to be within five percentage points with 95% confidence, assuming that (a) she uses the estimates of 22.9% male and 19.5% female from a previous year? (b) she does not use any prior estimates?
Twenty different statistic students are randomly selected. For each of them,their body temperature (° F) is measured and their head circumference (in) ismeasured. Without doing any research or calculations, estimate the value of r. Forthis sample of paired data, what does r represent?
Joe Biden (Democrat) will be running for President of the United States in 2020. His campaign is continually, among other things, wanting to estimate the percentage of Americans who will vote for him. a) How many Americans should be sampled to estimate the percentage of those who will vote for Joe Biden if his campaign wants to be 95% confident that the margin of error is no more than 2%? The last poll found that 49% of Americans said they will vote for Biden.
An online store chooses an SRS of 101 customers from its list of all people who have bought something from the store in the last year. It asks those selected how satisfied they are with the store’s website. If it selected two SRSs of 100 customers at the same time, the two samples would give somewhat different results. Is this variation a source of sampling error or of nonsampling error? Explain why. Would the survey’s announced margin of error take this source of error into account.
Different chemicals are tested to check their effects on different cloth materials. The chemicals will be used in one of the finishing processes. Five cloth materials are selected for testing and four chemicals will be used on each cloth material sample. a) Are there significant differences between four different chemicals? ( = .05) b) Considering your answers in part a., perform the appropriate tests to determine which chemicals differ significantly.
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.
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…
Construct a sample (with at least two differentvalues in the set) of 66 measurements whose median is smaller than the smallest measurement in the sample. If this is not possible, indicate "Cannot create sample".
Draw all possible samples of size 2 without replacement from the population 2, 3, 4, 5, 6 and 7. Find the mean from the sampling distribution of sample means and verify with population mean.

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