Can someone please explain it to me ASAP???!!! Observations on burst strength (Ib/in2) were obtained both for test nozzle closure welds and for production canister nozzlewelds.tTest7200 6100 7300 7300 8000 74007300 7300 8000 6700 8300Cannister5250 5625 5900 5900 5700 60505800 6000 5875 6100 5850 6600A comparative boxplot is given below.Test Nozzle-Cannister-55006000700075006500Burst strength (b/in^2)50080008500Comment on interesting features (the cited article did not include such a picture, but the authors commented that they had lookedat one). (Select all that apply.)The test nozzle welds have much more variable burst strengths.O The production canister welds data contain 2 outliers.O The test nozzle welds data contain 2 outliers.The production canister welds have consistently lower burst strengths than the test nozzle welds.O The production canister welds have much higher burst strengths.O The production canister welds have much more variable burst strengths.Need Help?Read It

Given : canister welds: It has two dots it represent the outlier. The…

Answered: Observations on burst strength (Ib/in2)…

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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Observations on burst strength (lb/in2) were obtainedboth for test nozzle closure welds and for productioncannister nozzle welds (“Proper Procedures Are theKey to Welding Radioactive Waste Cannisters,”Welding J., Aug. 1997: 61–67).Test 7200 6100 7300 7300 8000 74007300 7300 8000 6700 8300Cannister 5250 5625 5900 5900 5700 60505800 6000 5875 6100 5850 6600Construct a comparative boxplot and comment on interestingfeatures (the cited article did not include such a picture, but the authors commented that they had lookedat one).
Suppose that samples of polythene bags from two manufacturers A and B are tested by a prospective buyer for bursting pressure, with the following results: If the prices are the same, which manufacture’s bags would be preferred by the buyer? Why?
The joint PDF of the random variables X and Y is constant on the region (x,y):x≥0∩yleq1∩−0.5≤x−y≤0, shown in the image below, and is zero outside. Determine P(Y>0.5|X<0.5)
An ecologist wishes to mark off a circular sampling region having radius 10 m. However,the radius of the resulting region is actually a random variable R with pdf f(x) = { 3/4[ 1- (10 - r)2 ] 9 ≤ r ≤ 11 0 otherwise What is the expected area of the resulting circular region?
A researcher is using a two-tailed hypothesis test with α = 0.05 to evaluate the effect of a treatment. If the boundaries for the critical region are t = ± 2.080, then how many individuals are in the sample?
In a survey of 180 females who recently completed high school, 75% were enrolled in college. In a survey of 160 males who recently completed high school, 70% were enrolled in college. At α=0.07, can you reject the claim that there is no difference in the proportion of college enrollees between the two groups? Assume the random samples are independent. Complete parts (a) through (e). Find the critical value(s) and identify the rejection region(s).
What is the Marginal PDF of f(x)=2? Is the event independent?
ONLY THE LAST ONE Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type. 5.9 7.2 7.3 6.3 8.1 6.8 7.0 7.5 6.8 6.5 7.0 6.3 7.9 9.0 8.4 8.7 7.8 9.7 7.4 7.7 9.7 8.2 7.7 11.6 11.3 11.8 10.7 The data below give accompanying strength observations for cylinders. 6.5 5.8 7.8 7.1 7.2 9.2 6.6 8.3 7.0 8.3 7.8 8.1 7.4 8.5 8.9 9.8 9.7 14.1 12.6 11.9 Prior to obtaining data, denote the beam strengths by X1, . . . , Xm and the cylinder strengths by Y1, . . . , Yn. Suppose that the Xi's constitute a random sample from a distribution with mean μ1 and standard deviation σ1 and that the Yi's form a random sample (independent of the Xi's) from another distribution with mean μ2 and standard deviation σ2. (a) Use rules of expected value to show that X − Y is an unbiased estimator of μ1 − μ2. E(X − Y) = E(X) − E(Y) = μ1 − μ2 E(X − Y) = E(X) − E(Y) 2 = μ1 − μ2 E(X − Y) = nm E(X) − E(Y) = μ1 − μ2 E(X −…
We have a random variable X and Y that have the joint pdf f(x) = {1 0<x<1, 0<y<1} {0 otherwise} If U = Y-X2 , what would the pdf of the random variable U be? What is the support for the random variable U? Would there be any critical points? (use CDF technique)
1. Consider the Gaussian distribution N (m, σ2).(a) Show that the pdf integrates to 1.(b) Show that the mean is m and the variance is σ.
To achieve statistical significance for a one-sample t-test, is which of the following? the t-obtained must be less than the t-critical. the t-obtained must be larger than the t-critical (farther into the region of rejection). the t-obtained must differ from the t-critical by .05. the t-obtained must equal the t-critical.
Assume the time required to fully recharge an electric car is uniformly distributed between 160 and 220 minutes. What is the expected charge time, E(x)?

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