Please answer all unanswered areas. It’s all part of one question Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type.8.1 6.5 9.7 11.8 6.8 7.7 8.97.3 11.6 7.87.2 7.0 6.3 8.17.35.7 9.07.0 11.3 10.7 7.46.88.7 7.7 9.7 7.9 6.3(a) Calculate a point estimate of the mean value of strength for the conceptual population of all beams manufactured inthis fashion. [Hint: Ex, = 220.3.] (Round your answer to three decimal places.)MPaState which estimator you used.ОРOs/xOsOxOx(b) Calculate a point estimate of the strength value that separates the weakest 50% of all such beams from the strongest50%.State which estimator you used.OxOxOs/xOsOp(c) Calculate a point estimate of the population standard deviation o. [Hint: Ex2 = 1870.89.] (Round your answer tothree decimal places.)MPaInterpret this point estimate.O This estimate describes the linearity of the data.This estimate describes the spread of the data.O This estimate describes the bias of the data.O This estimate describes the center of the data.O pOxWhich estimator did you use?OxOsSOs/xMPa(d) Calculate a point estimate of the proportion of all such beams whose flexural strength exceeds 10 MPa. [Hint: Think ofan observation as a "success" if it exceeds 10.] (Round your answer to three decimal places.)(e) Calculate a point estimate of the population coefficient of variation o/μ. (Round your answer to four decimal places.)s/xState which estimator you used.OxOsOxO p

Solution: Given information: n= 27 observation n is odd ∑x=220.3∑x2=1870.89

Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type. 8.1 6.5 9.7 11.8 6.8 7.3 11.6 7.8 7.2 7.0 7.3 5.7 9.0 7.0 11.3 10.7 7.4 6.8 8.7 7.7 9.7 7.9 6.3 (a) Calculate a point estimate of the mean value of strength for the conceptual population of all beams manufactured in this fashion. [Hint: Ex, = 220.3.] (Round your answer to three decimal places.) MPa State which estimator you used. OP 7.7 8.9 6.3 8.1

Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type. 8.1 6.5 9.7 11.8 6.8 7.3 11.6 7.8 7.2 7.0 7.3 5.7 9.0 7.0 11.3 10.7 7.4 6.8 8.7 7.7 9.7 7.9 6.3 (a) Calculate a point estimate of the mean value of strength for the conceptual population of all beams manufactured in this fashion. [Hint: Ex, = 220.3.] (Round your answer to three decimal places.) MPa State which estimator you used. OP 7.7 8.9 6.3 8.1

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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