1. Use the data given below to estimate f(3) byConstructing:ai Linear polynemialb. Quoedratic polynomia!c. 3rdorder4fx)251262polynomialCompare the error of the three cases2.

here we use newton's divided difference to find these .

Answered: t. Use the data given below to estimate…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Consumer Banker Association released a report showing the lengths of automobile leases for new automobiles. The results are as follows.Lease Length in Months:13-2425-3637-4849-60More than 60 Percent of Leases:12.7%34.3%28.9%23.6%0.5% (a) Use the midpoint of each class, and call the midpoint of the last class 66.5 months, for purposes of computing the expected lease term. Also find the standard deviation of the distribution. (Round your answers to two decimal places.) expected lease term _____ months and standard deviation ______ (b) Sketch a graph of the probability distribution for the duration of new auto leases.
Need the claim, hypothesis, crit value(s), rejection regions, d, Sd, t test, reject or fail to, and conclusion.
2.) What is the yalue of E(X-1)" for scores ーメ)X 2,2,1,4
A popular theory is that presidential candidates have an advantage if they are taller than their main opponents. Listed are heights (in centimeters) of randomly selected presidents along with the heights of their main opponents. Complete parts (a) and (b) below. Height (cm) of President 185 170 179 191 194 179 9 Height (cm) of Main Opponent 170 184 174 166 194 182 Identify the test statistic. t= 0.57 (Round to two decimal places as needed.) Identify the P-value P-value = 0.286 (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? Since the P-value is greater than the significance level, fail to reject the null hypothesis. There is not sufficient evidence to support the claim that presidents tend to be taller than their opponents. b. Construct the confidence interval that could be used for the hypothesis test described in part (a). What feature of the confidence interval leads to the same conclusion reached in part (a)? The confidence interval…
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Green Auto periodically has a special week-long sale. As part of the advertising campaign, Green runs one or more television commercials during the weekend preceding the sale. Given are seven observations for two variables, x and y. Number of TV Ads (x) 1 3 2 1 3 4 3 Number of Cars Sold (y) 14 24 15 13 27 28 21 (E). Compute the coefficient of determination R^2. Comment on the goodness of fit. (F). Use the F test to test the hypotheses (α = 0.05): ??0: ??1=0; ????: ??1≠0 State the conclusion and the reasons (i.e., rejection rule).
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The chi-square test is appropriate for use when: you have data from two numerical variables. you have the dependent and independent variables need to be measured on an interval or ratio scale. you have data from two categorial variables. you have one categorical independent variable and one numerical scaled dependent variable.

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t. Use the data given below to estimate f(3) by Constructing: 4 ai Linear poky nemial b. Quaedratic c. 3rdorder pelynomial 2 5 12 62 polynomia I Compare the error of the three cases