The following data was reported on total Fe for four types of iron formation (1= carbonate, 2 = silicate, 3 = magnetite, 4 = hematite).1: 20.9 28.1 27.8 27.0 28.1 25.2 25.3 27.1 20.5 31.22: 26.4 24.0 26.2 20.2 24.3 34.0 17.1 26.8 23.7 24.83: 30.0 34.0 27.5 29.4 28.2 26.2 29.9 29.5 30.0 35.54: 37.1 44.2 34.1 30.3 31.6 33.1 34.1 32.9 36.3 25.7USE SALTCarry out an analysis of variance F test at significance level 0.01. State the appropriate hypotheses.о но н1 = H2=N3 = H4Ha: all four μ's are unequalO Ho: H₁ H₂ H3 ‡μ4#Ha: at least two μ's are equalO Ho: M₁ = μ ₂ = μ3 = μ4Ha: at least two μ's are unequalO Ho: M₁ M₂ μ3 # μ4#Ha: all four μ's are equalSummarize the results in an ANOVA table. (Round your answers two decimal places.)Sum of MeanSquares SquaresSourceTreatmentsErrorTotaldffGive the test statistic. (Round your answer to two decimal places.)f=What can be said about the P-value for the test?O P-value > 0.100O 0.050 < P-value < 0.100O 0.010 < P-value < 0.050O 0.001 < P-value < 0.010O P-value < 0.001

Consider that, µ1, µ2, µ4 and µ4 define the true mean amount of Fe for carbonate (1), silicate (2),…

Answered: The following data was reported on…

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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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.)
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.)
The following data was reported on total Fe for four types of iron formation (1 = carbonate, 2 = silicate, 3 = magnetite, 4 = hematite). 1: 20.6 28.1 27.8 27.0 27.9 25.2 25.3 27.1 20.5 31.2 2: 26.5 24.0 26.2 20.2 23.6 34.0 17.1 26.8 23.7 24.8 3: 30.2 34.0 27.5 29.4 28.3 26.2 29.9 29.5 30.0 35.8 4: 36.6 44.2 34.1 30.3 32.0 33.1 34.1 32.9 36.3 25.2 Carry out an analysis of variance F test at significance level 0.01. State the appropriate hypotheses. H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4Ha: at least two ?i's are equalH0: ?1 = ?2 = ?3 = ?4Ha: all four ?i's are unequal H0: ?1 ≠ ?2 ≠ ?3 ≠ ?4Ha: all four ?i's are equalH0: ?1 = ?2 = ?3 = ?4Ha: at least two ?i's are unequal Summarize the results in an ANOVA table. (Round your answers two decimal places.) Source df Sum ofSquares MeanSquares f Treatments Error Total Give the test statistic. (Round your answer to two decimal places.)
The following data was reported on total Fe for four types of iron formation (1 carbonate, 2 silicate, 3 magnetite, 4 hematite). 1: 21.0 28.1 27.8 27.0 27,8 25.2 25.3 27.1 20.5 31.5 2: 26.2 24.0 26.2 20.2 23.6 34.0 17.1 26.8 23.7 25.0 3: 29.6 34.0 27.5 29.4 26.4 26.2 29.9 29.5 30.0 35.5 4: 37.1 44,2 34.1 30.3 31.8 33.134.1 32.9 36,3 25.3 A USE SALT Carry out an analysis of variance F test at significance level 0.01. State the appropriate hypotheses. H at least two 's are equal Ho Hi= Ha = H4 H at least two 's are unequal O Ho = = 4 H al four s are unequal H all four 's are equal
The following table shows the typical depth (rounded to the nearest foot) for nonfailed wells in geological formations in Baltimore County (The Journal of Data Science, 2009, Vol. 7, pp. 111-127). Geological Formation Group Number of Nonfailed Wells Nonfailed Well Depth Gneiss 1,515 255 Granite 26 218 Loch Raven Schist 3,290 317 Mafic 349 231 Marble 280 267 Prettyboy Schist 1,343 255 Other schists 887 267 Serpentine 36 217 Total 7,726 2,027 Let the random variable X denote the depth (rounded to the nearest foot) for nonfailed wells. Detemine the cumulative distribution function for X. Round your answers to four decimal places (e.g. 98.7654). x < 217 217
Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type. 8.7 7.2 7.7 6.5 7.8 7.0 11.8 9.7 7.9 8.1 6.3 7.6 7.8 6.0 11.6 7.0 10.7 7.3 6.8 9.0 6.8 7.7 9.7 6.3 8.6 7.4 11.3 (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.) MPа State which estimator you used. O s/x (b) Calculate a point estimate of the strength value that separates the weakest 50% of all such beams from the strongest 50%. MPа State which estimator you used. O s/X (c) Calculate a point estimate of the population standard deviation o. [Hint: Ex;² = 1868.85.] (Round your answer to three decimal places.) MPа Interpret this point estimate. This estimate describes the spread of the data. This estimate describes the bias of the data. This estimate describes the center of the data. This estimate describes the linearity of the data.
Find P15, Q1,D3,Q2,D6 and P85
Consider the accompanying data on flexural strength (MPa) for concrete beams of a certain type. 5.5 7.2 7.3 6.3 8.1 6.8 7.0 7.1 6.8 6.5 7.0 6.3 7.9 9.0 8.9 8.7 7.8 9.7 7.4 7.7 9.7 7.9 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 8.4 7.1 8.1 7.4 8.5 8.9 9.8 9.7 14.1 12.6 11.5 Prior to obtaining data, denote the beam strengths by X,, . Xm and the cylinder strengths by Y,, . Y. Suppose that the X,'s constitute a random sample from a distribution with mean u, and standard deviation o, and that the Y's form a random sample (independent of the X's) from another distribution with mean H2 and standard deviation (a) Use rules of expected value to show that X – Y is an unbiased estimator of µ, - µ. E(X – Y) E(X) – E(Y) = H1 - H2 nm E(X - Y) (E) – E(Y)* = l1 - 42 E(X - Y) = nm( E(X) – E(Yn) = H1 - H2 E(X – Y) E(X - Y) = V E(X) – E(Y) = µ1 – H2 E(X) – E(Y) = µ1 - 42 Calculate the estimate for the given data.…
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. 1.16 0.61 0:87 1.27 1.46 0.73 1.09 1.04 1.48 0.52 0.63 The 5-number summary is and all in W/kg. (Use ascending order. Type integers or decimals. Do not round.)
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. 7.40 29.80 27.10 16.51 14.00 8.81 5.20 20.46 14.90 33.67 30.91 14.86 16.87 15.35 9.72 19.80 14.86 8.09 10.30 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 95% confidence interval for the population mean μ. The 95% confidence interval for the population mean μis () () (Round to two decimal places as needed.)
3.7.1 only

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