Calculate the diameter of the smallest-size particles that have settled beyond the zone of measurement at 120 min time duration.

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Six samples of each of four types of cereal grain grown in a certain region were analyzed to determine thiamin content, resulting in the following data (μg/g). Wheat 5.2 4.4 6.0 6.0 6.7 5.7 Barley 6.4 8.0 6.2 7.6 5.9 5.7 Maize Oats 5.7 4.6 6.4 4.8 6.1 5.3 8.2 6.1 7.9 7.1 5.6 7.1 USE SALT Does this data suggest that at least two of the grains differ with respect to true average thiamin content? Use a level α = 0.05 test. State the appropriate hypotheses. O Ho: H1 H2 H3 #44 H₁: all four μ's are equal Ho M1 M2 M3 = μ4 H: all four μ's are unequal Ho: M1 M2 M3 M4 Ha : at least two us are equal O Ho H1 H2 =μ3=4 Ha at least two μ's are unequal Compute the test statistic value. (Round your answer to two decimal places.) f = What can be said about the P-value for the test? P-value > 0.100 0.050 P-value < 0.100 0.010 < P-value < 0.050 0.001 < P-value < 0.010 P-value < 0.001 State the conclusion in the problem context. ◇ Reject Ho. There is significant evidence that at least two of the grains…

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Chapter 2, Problem 2.11P

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Calculate the diameter of the smallest-size particles that have settled beyond the zone of measurement at 120 min time duration.

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Six samples of each of four types of cereal grain grown in a certain region were analyzed to determine thiamin content, resulting in the following data (μg/g). Wheat 5.2 4.4 6.0 6.0 6.7 5.7 Barley 6.4 8.0 6.2 7.6 5.9 5.7 Maize Oats 5.7 4.6 6.4 4.8 6.1 5.3 8.2 6.1 7.9 7.1 5.6 7.1 USE SALT Does this data suggest that at least two of the grains differ with respect to true average thiamin content? Use a level α = 0.05 test. State the appropriate hypotheses. O Ho: H1 H2 H3 #44 H₁: all four μ's are equal Ho M1 M2 M3 = μ4 H: all four μ's are unequal Ho: M1 M2 M3 M4 Ha : at least two us are equal O Ho H1 H2 =μ3=4 Ha at least two μ's are unequal Compute the test statistic value. (Round your answer to two decimal places.) f = What can be said about the P-value for the test? P-value > 0.100 0.050 P-value < 0.100 0.010 < P-value < 0.050 0.001 < P-value < 0.010 P-value < 0.001 State the conclusion in the problem context. ◇ Reject Ho. There is significant evidence that at least two of the grains…

The Water Environment Federation (WEF) recommends that the linear flow-through velocity in a wastewater clarifier should be less than to 0.020 m/s to prevent scour. Using ẞ = 0.06 for sticky particles and a Darcy-Weisback friction factor of 0.03, estimate the specific gravity of a 200 μm diameter particle that will be scoured at the recommended velocity. Express your answer in kg/m³ and round to the nearest integer.

The following data was reported on total Fe for four types of iron formation (1 = carbonate, 2 = 1: 21.0 28.1 27.8 27.0 28.5 25.2 25.3 27.1 20.5 31.1 2: 26.2 24.0 26.2 20.2 24.3 34.0 17.1 26.8 23.7 25.3 3: 30.3 34.0 27.5 29.4 28.2 26.2 29.9 29.5 30.0 36.5 4: 37.2 44.2 34.1 30.3 31.8 33.1 34.1 32.9 36.3 25.8 silicate, 3 = magnetite, 4 = USE SALT Carry out an analysis of variance F test at significance level 0.01. State the appropriate hypotheses. O Ho H₁ =μ₂ = 3 = μ4 H: at least two μ's are unequal # O Ho: H1 H2 H3 H4 Ha: at least two μ's are equal # # O Ho: H1 H2 H3 H4 Ha all four μ's are equal O Ho H1 H2 H3 = 4 H: all four μ's are unequal Summarize the results in an ANOVA table. (Round your answers two decimal places.) Sum of Mean Source df Squares Squares f Treatments Error Total Give the test statistic. (Round your answer to two decimal places.) f = What can be said about the P-value for the test? OP-value>0.100 0.050 < P-value < 0.100 0.010 < P-value < 0.050 0.001 < P-value < 0.010…