The following data vwas reported on total Fe for four types of iron formation (1 = carbonate, 2 = silicate, 3 = magnetite, 4 = hematite). 1: 20.7 28.1 27.8 27.0 27.5 25.2 25.3 27.1 20.5 31.4 2: 26.7 24.O 26.2 20.2 24.0 34.0 17.1 26.8 23.7 24.7 3: 29.6 34.0 27.5 29.4 28.2 26.2 29.9 29.5 30.0 35.5 4: 36.6 44.2 34.1 30.3 32.1 33.1 34.1 32.9 36.3 25.4 Carry out an analysis of variance F test at significance level 0.01. State the appropriate hypotheses. Hi at least two 4's are equal O Hoi Hy * Hz * Hy * Ha H: all four u's are equal H: all four 's are unequal H: at least two u's are unequal Summarize the results in an ANOVA table. (Round your answers tvro decimal places.) Sum of Мean Source df Squares Squares Treatments Error Total Give the test statistic. (Round your answer to two decimal places.)

The following data vwas reported on total Fe for four types of iron formation (1 = carbonate, 2 = silicate, 3 = magnetite, 4 = hematite). 1: 20.7 28.1 27.8 27.0 27.5 25.2 25.3 27.1 20.5 31.4 2: 26.7 24.O 26.2 20.2 24.0 34.0 17.1 26.8 23.7 24.7 3: 29.6 34.0 27.5 29.4 28.2 26.2 29.9 29.5 30.0 35.5 4: 36.6 44.2 34.1 30.3 32.1 33.1 34.1 32.9 36.3 25.4 Carry out an analysis of variance F test at significance level 0.01. State the appropriate hypotheses. Hi at least two 4's are equal O Hoi Hy * Hz * Hy * Ha H: all four u's are equal H: all four 's are unequal H: at least two u's are unequal Summarize the results in an ANOVA table. (Round your answers tvro decimal places.) Sum of Мean Source df Squares Squares Treatments Error Total Give the test statistic. (Round your answer to two decimal places.)

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Description: The following data was reported on total Fe for four types of iron formation (1 = carbonate, 2 = silicate, 3 = magnetite, 4 = hematite).1: 20.7 28.1 27.8 27.0 27.5 25.2 25.3 27.1 20.5 31.42: 26.7 24.0 26.2 20.2 24.0 34.0 17.1 26.8 23.7 24.73: 29.6 3

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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Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type. 7.0 7.2 6.8 6.5 7.0 6.3 7.9 9.0 9.7 8.1 7.7 11.6 11.3 11.8 10.7 observations for cylinders. 5.9 7.2 7.3 6.3 8.1 6.8 8.4 8.7 7.8 9.7 7.4 7.7 The data below give accompanying strength 6.7 5.8 7.8 7.1 7.2 9.2 6.6 8.3 7.0 8.1 7.0 8.1 7.4 8.5 8.9 9.8 9.7 14.1 12.6 11.4 Prior to obtaining data, denote the beam strengths by X₁,..., Xm and the cylinder strengths by Y₁,..., Y. Suppose that the Xi's constitute a random sample from a distribution with mean ₁ and standard deviation 0₁ and that the Y's form a random sample (independent of the X;'s) from another distribution with mean ₂ and standard deviation ₂. (a) Use rules of expected value to show that X - Y is an unbiased estimator of μ₁ - μ₂. O E(X)=√E(X) - E(Y) = μ₁ - H₂ ⒸE(XY) = E(X) - E(X) = 14₁ 14₂ O E(X-= E(X) - E(X) = 11 - 12 nm E(X - Y = nm(E(X) - E()) = μ₁ − 44₂ | E(X) = (E(X) - E(M)² = Calculate the estimate for the given data. (Round your…
Listed below are the measured radiation absorption rates (in W/kg) corresponding to 11 cell phones. Use the given data to construct a boxplot and identify the 5-number summary. 1.31 0.69 0.98 1.47 0.59 0.62 1.28 1.06 1.26 1.23 1.13 The 5-number summary is . andall in W/kg. (Use ascending order. Type integers or decimals. Do not round.) Which boxplot below represents the data? O A. O B. 1.5 C 1 Absorption Rates (W/kg) 0.5 1.5 0.5 Absorption Rates (W/kg) OD. OC. 0.5 1.5 C 0.5 1 1.5 C Absorption Rates (Wikg) Absorption Rates (W/kg)
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The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Assume that the population is normally distributed. Complete parts (a) through (c) on the right. 16.87 29.80 8.81 27.10 16.51 22,49 11.90 30.91 20.46 14.90 14.86 33.67 19.80 5.20 15.35 14.86 9.72 8.09 7.40 (a) Find the sample mean. 18.30 The sample mean is 17.35. (Round to two decimal places as needed.) (b) Find the sample standard deviation. The sample standard deviation is 8.14. (Round to two decimal places as needed.) (c) Construct a 98% confidence interval for the population mean u. The 98% confidence interval for the population mean u is ( ,). (Round to two decimal places as needed.)
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The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Assume that the population is normally distributed. Complete parts (a) through (c) on the right. 11.40 29.80 27.10 16.51 20.46 8.81 30.91 19.80 20.46 14.86 14.86 20.46 16.87 33.67 9.72 18.30 14.90 15.35 20.46 8.09 (a) Find the sample mean. The sample mean is (Round to two decimal places as needed.)
The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Assume that the population is normally distributed. Complete parts (a) through (c) on the right. 16.87 29.80 27.10 16.51 11.90 8.81 22.49 20.46 14.90 33.67 30.91 14.86 5.20 15.35 9.72 19.80 14.86 8.09 7.40 18.30 (a) Find the sample mean. The sample mean is 17.35. (Round to two decimal places as needed.) (b) Find the sample standard deviation. The sample standard deviation is (Round to two decimal places as needed.)
6:18 ul LTE O MATH 1122 Homework 13.pdf •.. 5 of 6 30 regular and double stuff Oreos were sampled and their filling weighed. Table 1. Example frosting mass data. Filling Masses of Regular Oreos (s) 3.00 2.90 3.20 3.20 3.20 3.12 3.19 3.31 3.39 3.18 3.15 3.15 3.14 3.01 3.01 3.17 3.06 3.16 3.13 3.23 2.94 3.05 3.14 3.30 3.09 3.10 3.11 3.24 3.10 3.15 Filling Masses of Double Stuff Oreos (g) 6.11 6.19 6.27 6.18 6.34 6.21 6.05 6.18 6.34 6.23 6.08 6.04 6.13 6.65 6.20 6.12 6.46 6.37 6.19 6.01 6.21 6.46 6.27 6.25 6.15 6.15 6.35 6.24 6.32 6.03 https://www.amstat.org/ASA/Education/STEW/home.asp The mean of a sample measures the middle of all of the numbers. a) Calculate the mean of each sample. Along with the middle, we would like to measure how spread out the numbers are. The standard deviation measures how spread out the numbers are. A quick and dirty estimation of the standard deviation is one-sixth of the range of the data. That is, get the distance between the min and max and then divide that…
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The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Assume that the population is normally distributed. Complete parts (a) through (c) on the right.
The following data represent the concentration of dissolved organic carbon (mg/L) collected from 20 samples of organic soil. Assume that the population is normally distributed. Complete parts (a) through (c) on the right. 29.80 15.42 15.42 27.10 16.51 20.46 8.81 20.46 14.90 33.67 30.91 14.86 5.20 15.35 9.72 19.80 14.86 8.09 16.87 18.30 (a) Find the sample mean. The sample mean is (Round to two decimal places as needed.) (b) Find the sample standard deviation. The sample standard deviation is (Round to two decimal places as needed.) (c) Construct a 90% confidence interval for the population mean u. The 90% confidence interval for the population mean u is ( | ). (Round to two decimal places as needed.)