Homework Answers
| Source | DF | SS | MS | F |
| Between | 3 (k-1=4-1) | 120 | 40 (SSBetween/dfBetween) | MSB/MSE=40/10=4 |
| Error | 16 (N-k=20-4) | 160 | 10 (160/10) | |
| 280 |
b. Model: Independent random samples; Level of measurement is: Interval-ratio,
Population is normally distributed
Population variances are equal.
c. H0: mu1=mu2=mu3=mu4 (there is no difference in moisture content in the top soil for four subgrade soil.
Ha: at least one mean is different
Please post rest parts again as separate question, write to solve from d) to f) part at top
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3.14 A highway research engineer wishes to determine the effect of four types of subgrade soil...
A laboratory has four types of devices used to determine the pH of soil samples. The...
A laboratory has four types of devices used to determine the pH of soil samples. The scientists who work there want to know whether there are differences in the average readings given by these devices. There were 24 soil samples with known pH levels. These soil samples were randomly assigned to each of the four devices (six samples each). The pH readings for each sample and device were recorded and an ANOVA was run on the data. Source DF Sum of Squares Mean...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST = 10,840; SSTR =...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST = 10,820; SSTR =...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 39 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 13 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST = 13,230;SSTR = 4,550....
Please Help Three different methods for assembling a product were proposed by an industrial engineer. To...
Please Help
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST = 10,860;...
Four brands (A, B, C and D) of hand-held calculators are to be compared for the...
Four brands (A, B, C and D) of hand-held calculators are to be compared for the time it takes to compute the sum of 25 numbers. Thirty-two (32) students were selected at random with 8 assigned to each brand of calculator. A partial ANOVA table is as follows. f Source | d.f. Sum of Squares Mean Squares Between Calculator Brands Within Brands 15.40 Total (a) Write a model for this experiment and define all terms. (b) The brand averages in...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST =10,790; SSTR =4,510. a....
Спеск My work oo eBook Three different methods for assembling a product were proposed by an industrial engineer. To...
Спеск My work oo eBook Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained:...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST =10,800; SSTR =4,500. a....
{Exercise 13.07} Three different methods for assembling a product were proposed by an industrial engineer. To...
{Exercise 13.07}
Three different methods for assembling a product were proposed
by an industrial engineer. To investigate the number of units
assembled correctly with each method, 30 employees were randomly
selected and randomly assigned to the three proposed methods in
such a way that each method was used by 10 workers. The number of
units assembled correctly was recorded, and the analysis of
variance procedure was applied to the resulting data set. The
following results were obtained: SST = 10,800;...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST = 10,840; SSTR =...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST = 10,820; SSTR =...
Please Help
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST = 10,860;...
Four brands (A, B, C and D) of hand-held calculators are to be compared for the time it takes to compute the sum of 25 numbers. Thirty-two (32) students were selected at random with 8 assigned to each brand of calculator. A partial ANOVA table is as follows. f Source | d.f. Sum of Squares Mean Squares Between Calculator Brands Within Brands 15.40 Total (a) Write a model for this experiment and define all terms. (b) The brand averages in...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST =10,790; SSTR =4,510. a....
Спеск My work oo eBook Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained:...
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units assembled correctly with each method, 30 employees were randomly selected and randomly assigned to the three proposed methods in such a way that each method was used by 10 workers. The number of units assembled correctly was recorded, and the analysis of variance procedure was applied to the resulting data set. The following results were obtained: SST =10,800; SSTR =4,500. a....
{Exercise 13.07}
Three different methods for assembling a product were proposed
by an industrial engineer. To investigate the number of units
assembled correctly with each method, 30 employees were randomly
selected and randomly assigned to the three proposed methods in
such a way that each method was used by 10 workers. The number of
units assembled correctly was recorded, and the analysis of
variance procedure was applied to the resulting data set. The
following results were obtained: SST = 10,800;...
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