An agricultural experiment designed to assess differences in yields of corn for four different varieties, using...
An agricultural experiment designed to assess differences in yields of corn for four different varieties, using three different fertilizers, produced the results (in tonnes per acre) as shown in the table below: Fertilizer 1 = 86 88 77 84 Fertilizer 2 = 92 91 81 93 Fertilizer 3 = 75 80 83 79 (a) Prepare a two –way analysis of variance table. (b) Test at 5% level of significance the null hypothesis that the population mean yields are identical for all four varieties of corn. (c) Test at 5% level of significance the null hypothesis that the population mean yields are the same for all three brands of fertilizer. Don't use Excel to solve the problem
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An agricultural experiment designed to assess differences in yields of corn for four different varieties, using...
An agricultural experiment designed to assess differences in yields of corn for four different varieties, using...
An agricultural experiment designed to assess differences in yields of corn for four different varieties, using three different fertilizers, produced the results (in tonnes per acre) as shown in the table below: Fertilizer 1 = 86 88 77 84 Fertilizer 2 = 92 91 81 93 Fertilizer 3 = 75 80 83 79 (a) Prepare a two –way analysis of variance table. (b) Test at 5% level of significance the null hypothesis that the population mean yields are identical for...
An agricultural experiment designed to assess differences in yields of corn for 4 different varieties using...
An agricultural experiment designed to assess differences in yields of corn for 4 different varieties using 3 different fertilizers, produced the results (in bushels per acre) as below: A B c D 86, 85 88, 89 77, 80 84, 81 92, 90 91, 94 81, 77 93, 94 75, 71 80, 77 83, 83 79, 78 Analyze this data and draw appropriate conclusions.
(50%) 2, Four new brands (A. B. C. and D) of fertilizer that a farmer can...
(50%) 2, Four new brands (A. B. C. and D) of fertilizer that a farmer can use to grow crops just came on the market. Before deciding which brand he should use permanently for all crops, a farmer decided to experiment for one season. To do so, he randomly assign each fertilizer to five one acre tracts of land that he used to grow wheat. The following table gives the production of wheat (in bushels) for each acre for four...
use the R or by hand. 2. Three types of ferilizer are to be tested to...
use the R or by hand.
2. Three types of ferilizer are to be tested to see which one yields more corn crop. Forty similar plots of land were available for testing purposes. The 40 plots are divided at random into four groups, 10 plots in Group 1. Similarly, Fertilizers 2 and 3 were applied to the plots in Group 2 and 3, respectively. The corn plants in Group 4 were not given any fertilizer; it will serve as the...
Solve by using R program or any other statistical program(python,R) 2. Three types of ferilizer are...
Solve by using R program or any other statistical
program(python,R)
2. Three types of ferilizer are to be tested to see which one yields more corn crop. Forty similar plots of land were available for testing purposes. The 40 plots are divided at random into four groups, 10 plots in Group 1. Similarly, Fertilizers 2 and 3 were applied to the plots in Group 2 and 3, respectively. The corn plants in Group 4 were not given any fertilizer; it...
Please solve the problem by showing calculation works. And please do not use R or other programing to solve the problem. Thank you Four new brands (A, B, C, and D) of fertilizer that a farmer can us...
Please solve the problem by showing calculation works. And
please do not use R or other programing to solve the problem. Thank
you
Four new brands (A, B, C, and D) of fertilizer that a farmer can use to grow crops just came on the market. Before deciding which brand he should use permanently for all crops, a farmer decided to experiment for one season. To do so, he randomly assign each fertilizer to five one-acre tracts of land that...
3. In a paper "The Probable Error of Mean", William Gosset, compared yields of head corn in pounds per acre for two preparations of seed. (Source: Biometrica, Vol. VI, No.1, 1908). The de...
3. In a paper "The Probable Error of Mean", William Gosset, compared yields of head corn in pounds per acre for two preparations of seed. (Source: Biometrica, Vol. VI, No.1, 1908). The descriptive statistics for the data used are as follows: Yields fron kiln-dried seed: ni = 11, Z.-18752, 81 = 332.9 Yields fron not kiln-dried seed: n2 = 11, 2 = 1841.5. s2 = 342.68 (a 7 points. At 5% significance level, test if these data provide sufficient evidence...
An agricultural engineer wants to compare crop yields of soybeans for four regions. Data were collected...
An agricultural engineer wants to compare crop yields of soybeans for four regions. Data were collected from a random sample of 52 crops, 13 from each region. In performing the ANOVA test, the conclusion was Fail Reject the Null Hypothesis, thus the results were not significant at a 0.05. Determine whether the following statement true or false. the mean crop yields of the four regions. It would be necessary to then perform the Tukey-Kramer (T-K) multiple comparisons procedure to identify...
In an experiment to investigate the performance of four different brands of spark plugs intended for use on a 125-cc motorcycle, five plugs of each brand were tested, and the number of miles (at a co...
In an experiment to investigate the performance of four different brands of spark plugs intended for use on a 125-cc motorcycle, five plugs of each brand were tested, and the number of miles (at a constant speed) until failure was observed. A partially completed ANOVA table is given. Fill in the missing entries, and test the relevant hypotheses using a .05 level of significance. (Give the answer to two decimal places.) Variation of dfSquares Sum of Mean Squares Square Erro...
An agricultural experiment designed to assess differences in yields of corn for four different varieties, using three different fertilizers, produced the results (in tonnes per acre) shown in the following table.
IV Name the blocking variable and the treatment in this experiment. V What is the purpose of the blocks in this experiment? VI Prepare a two –way analysis of variance table
(50%) 2, Four new brands (A. B. C. and D) of fertilizer that a farmer can use to grow crops just came on the market. Before deciding which brand he should use permanently for all crops, a farmer decided to experiment for one season. To do so, he randomly assign each fertilizer to five one acre tracts of land that he used to grow wheat. The following table gives the production of wheat (in bushels) for each acre for four...
use the R or by hand.
2. Three types of ferilizer are to be tested to see which one yields more corn crop. Forty similar plots of land were available for testing purposes. The 40 plots are divided at random into four groups, 10 plots in Group 1. Similarly, Fertilizers 2 and 3 were applied to the plots in Group 2 and 3, respectively. The corn plants in Group 4 were not given any fertilizer; it will serve as the...
Solve by using R program or any other statistical
program(python,R)
2. Three types of ferilizer are to be tested to see which one yields more corn crop. Forty similar plots of land were available for testing purposes. The 40 plots are divided at random into four groups, 10 plots in Group 1. Similarly, Fertilizers 2 and 3 were applied to the plots in Group 2 and 3, respectively. The corn plants in Group 4 were not given any fertilizer; it...
Please solve the problem by showing calculation works. And
please do not use R or other programing to solve the problem. Thank
you
Four new brands (A, B, C, and D) of fertilizer that a farmer can use to grow crops just came on the market. Before deciding which brand he should use permanently for all crops, a farmer decided to experiment for one season. To do so, he randomly assign each fertilizer to five one-acre tracts of land that...
3. In a paper "The Probable Error of Mean", William Gosset, compared yields of head corn in pounds per acre for two preparations of seed. (Source: Biometrica, Vol. VI, No.1, 1908). The descriptive statistics for the data used are as follows: Yields fron kiln-dried seed: ni = 11, Z.-18752, 81 = 332.9 Yields fron not kiln-dried seed: n2 = 11, 2 = 1841.5. s2 = 342.68 (a 7 points. At 5% significance level, test if these data provide sufficient evidence...
An agricultural engineer wants to compare crop yields of soybeans for four regions. Data were collected from a random sample of 52 crops, 13 from each region. In performing the ANOVA test, the conclusion was Fail Reject the Null Hypothesis, thus the results were not significant at a 0.05. Determine whether the following statement true or false. the mean crop yields of the four regions. It would be necessary to then perform the Tukey-Kramer (T-K) multiple comparisons procedure to identify...
In an experiment to investigate the performance of four different brands of spark plugs intended for use on a 125-cc motorcycle, five plugs of each brand were tested, and the number of miles (at a constant speed) until failure was observed. A partially completed ANOVA table is given. Fill in the missing entries, and test the relevant hypotheses using a .05 level of significance. (Give the answer to two decimal places.) Variation of dfSquares Sum of Mean Squares Square Erro...
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