The Tietjen and Moore paper gives the following set of 8 mass spectrometer measurements ona uranium isotope: 199.31, 199.53, 200.19, 200.82, 201.92, 201.95, 202.18, and 245.57. UseGrubbs test to decide if the maximum value is an outlier.AIt is an outlier.ВMore information is needed to come up with a decision.The data should be retained.It is not an outlier.

Answered: Image /qna-images/answer/59cd3bd9-3025-41e5-bc48-706a4e0e35e9.jpg

Answered: The Tietjen and Moore paper gives 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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A state fisheries commission wants to estimate the number of bass caught in a given lake during a season in order to restock the lake with the appropriate number of young fish. The commission could get a fairly accurate assessment of the seasonal catch by extensive “netting sweeps" of the lake before and after a season, but this technique is much too expensive to be done routinely. Therefore, the commission samples a number of lakes and record the seasonal catch (thousands of bass per square mile of lake area) and size of lake (square miles). A simple linear regression was performed and the following R output obtained. Estimate Std. Error t value Pr(>|t|) (Intercept) 2.5463 0.4427 5.7513 0.0000 size 0.0667 0.3672 0.1818 0.8578 If a scatterplot showed a non-linear relationship between the response and explanatory variables, what should be done? O Nothing. Continue the analysis as is. Stop the analysis. Perform a natural log transformation on the response variable first. O Perform a…
In the US, 46.6% of all people have type O blood, 39.6% have type A blood, 10% have type B blood and 3.8% have type AB blood. A researcher wants to see if the distribution of blood type is different for millionaires. The table below shows the results of a random sample of 803 millionaires. What can be concluded at the significant level of ALPHA = 0.01. Round answers to 4 decimal places.1) State the hypotheses: 2) You drew 803 samples, and the observed frequencies are recorded below. Find the expected values. Blood Type ObservedFrequency ExpectedFrequency O 374 A 297 B 73 AB 59 The test-statistic for this data = The p-value for this sample = The p-value is greater than � less than (or equal to) � 3) Base on this, we should hypothesis As such, the final conclusion is that... Based on the sample data, there is sufficient evidence to claim that the distributions of blood types are not the same between the general population and the millionaires at…
Suppose that a set of ten measurements is drawn randomly. The sample consists of the set {1,1,0,15,2,3,4,0,1,3}. By inspection it is evident that the measurement x=15 appears unusually large in comparison to the rest of the measurements. Calculate the z-score equivalent for the measurement x=15 and determine if it is an outlier.
Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to state whether or not the given r represents a significant linear correlation. Use a significance level of 0.05. 20) r = 0.221, n = 90 A) Critical values: r = ±0.207, no significant linear correlation B) Critical values: r = 0.217, significant linear correlation C) Critical values: r = ±0.217, no significant linear correlation D) Critical values: r = ±0.207, significant linear correlation 20)
5. A landscape specialist studies the relationshipbetween early-stage (x) and late-stage (y) treeheights. Assume the SLR model. For 5 trees, with34 inches as the sample mean early-stage height,we know: sx2 = 11.5 , b0 = 36.2 , b1 = 0.9 , SSR = 40.2,and SSE = 9.8. a) Write the estimated SLR equation.b) The p-value for the SLR model utility test is 0.04.Does the evidence suggest a linear relationshipbetween early-stage and late-stage heights?Explain.c) If appropriate, predict the late-stage heightwhen the early-stage height is 35 inches.d) What percentage of variation in late-stageheight values is accounted for by the assumedrelationship with early-stage heights?
4.4. PLEASE PROVIDE HANDWRITTEN SOLUTIONS.
2. Find the 99% and 95% CIs for each of the following samples: a. X = 15, N = 17, s = 5 b. EX = 240, N = 40, s = 1.6 c. N = 170, EX = 1,445, EX? = 12,343.25 %3D %3D %3D %3D
4. Given a data set 61, 72. 74, 74, 75, 77, 79, 88 (1) Calculate the IQR and determine any outliers. QL =P25: Q3 = P7s: (Q2 = P50 = 75) %3D IQR = Q3-Q1 1.5 IQK [Q1-1.5IQR, Q3+1.5IQR] =
Dr. Maddan's eye drops are supposed to cause significant reduction is eye redness. The following table shows the results of a recent study where a random sample of individuals took part in a placebo controlled study. No Reduction in Redness Reduction in Redness Total Eye Drops 120 220 340 No Eye Drops Total 120 140 260 240 360 600 With 5% level of significance, determine if eye redness reduction is dependent upon taking the eye drops. Provide, a. the Chi-square statistic. b. the critical value or the p-value. c. Your decision on whether or not to reject Ho.

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