in an experiment, a fixed amount of fertilizer was applied to each of 10 plots, and...
in an experiment, a fixed amount of fertilizer was applied to each of 10 plots, and the corresponding yield in pounds of corn was measured. Identify the independent and dependent variables in this experiment
Homework Answers
Independent variable: Fertilizer ( a fixed amount of fertilizer)
Dependent variable: the yield, in pounds of corn
In this experiment independent variable is Fertilizer. Independent variable means the variable that is changed or manipulated in a series of experiments.
Dependent variable in this experiment is the Pounds of corn, the yield. Dependent variable means an outcome measured to see the effectiveness of the treatment or the independent variable.Dependent variable is dependent on the independent variable.
A researcher or an experimenter can control the independent variable( In this experiment, experimenter can decide the amount of fertilizer, that he use in the experiment) But the yeild, amount of corn(dependent variable)only changes in response to fertilizer ( Independent variable).
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in an experiment, a fixed amount of fertilizer was
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QUESTION 4 a) A farmer wanted to find the relationship between the amount of fertilizer used...
QUESTION 4 a) A farmer wanted to find the relationship between the amount of fertilizer used and the yield of corn. He selected seven acres of his land on which he used different amounts of fertlizer to grow corn. The following table gives the amount (in kilograms) of fertilizer used and the yield (in bushels) of corn for each of the seven acres. Fertilizer used 120 80 100 70 Yield of corn 142 112 132 96 119 104 136 75...
7. [-/10 Points DETAILS LARCALC11 4.5.513.XP.MI. A marwacturer of fertilizer finds that national sales of fertilizer...
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In an agricultural experiment, the effects of two fertilizers on the production of oranges were measured....
In an agricultural experiment, the effects of two fertilizers on the production of oranges were measured. Seventeen randomly selected plots of land were treated with fertilizer A. The average yield, in pounds, was 457 with a standard deviation of 38. Twelve randomly selected plots were treated with fertilizer B. The average yield was 394 pounds with a standard deviation of 23. Find a 99% confidence interval for the difference between the mean yields for the two fertilizers. (Round down the...
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...
A horticulturist is studying the effects of the amount of fertilizer applied to tomato plants and...
A horticulturist is studying the effects of the amount of fertilizer applied to tomato plants and the height of the plants. Twenty tomato plants grown in similar conditions were given varying amounts of fertilizer. After four months, the plants were measured. The amount of fertilizer applied and the heights of the plants are presented in the table below. Height (inches) Amount of Fertilizer (ounces) 20.4 1.9 49.2 5.0 56.1 4.2 24.3 1.3 29.2 4.9 60.8 5.4 24.6 3.1 25.3 0.0...
A horticulturist is studying the effects of the amount of fertilizer applied to tomato plants and...
A horticulturist is studying the effects of the amount of fertilizer applied to tomato plants and the height of the plants. Twenty tomato plants grown in similar conditions were given varying amounts of fertilizer. After four months, the plants were measured. The amount of fertilizer applied and the heights of the plants are presented in the table below. Height (inches) Amount of Fertilizer (ounces) 20.4 1.9 49.2 5.0 56.1 4.2 24.3 1.3 29.2 4.9 60.8 5.4 24.6 3.1 25.3 0.0...
A crop scientist is conducting research with a drought resistant corn hybrid. She is interested in...
A crop scientist is conducting research with a drought resistant corn hybrid. She is interested in determining if using fertilizer X will increase yield. She prepares 20 single acre plots and randomly assigns 10 to have normal soil while the other 10 are planted with fertilizer X. The resulting yield for each plot was recorded. Select one or more: The explanatory variable is the yield for each plot. The explanatory variable is whether the corn plants had fertilizer X or...
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
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Find the confidence interval and write interpretation for each
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3) 3) Construct the confidence interval for the difference pl-P2 for the given level and values of x1,1, x2, and n2. Level 98%: xy - 27, n, - 64, X2 = 16, 12 - 55 4) 4) In an agricultural experiment, the effects of two fertilizers on the production of oranges were measured. Fourteen randomly selected plots of land were treated with fertilizer A, and 10 randomly selected plots were...
QUESTION 4 a) A farmer wanted to find the relationship between the amount of fertilizer used and the yield of corn. He selected seven acres of his land on which he used different amounts of fertlizer to grow corn. The following table gives the amount (in kilograms) of fertilizer used and the yield (in bushels) of corn for each of the seven acres. Fertilizer used 120 80 100 70 Yield of corn 142 112 132 96 119 104 136 75...
7. [-/10 Points DETAILS LARCALC11 4.5.513.XP.MI. A marwacturer of fertilizer finds that national sales of fertilizer follow the seasonal pattern shown below, where is measured in pounds and represents the time in days, with corresponding to January 1. == 120,000 + sin 2t - 10 The manufacturer wants to set up a schedule to produce a uniform amount of fertilizer each day. What should this amount be? Su Are View Previous Question question 7 of 10 view Nee Question Home...
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...
A horticulturist is studying the effects of the amount of fertilizer applied to tomato plants and the height of the plants. Twenty tomato plants grown in similar conditions were given varying amounts of fertilizer. After four months, the plants were measured. The amount of fertilizer applied and the heights of the plants are presented in the table below. Height (inches) Amount of Fertilizer (ounces) 20.4 1.9 49.2 5.0 56.1 4.2 24.3 1.3 29.2 4.9 60.8 5.4 24.6 3.1 25.3 0.0...
A crop scientist is conducting research with a drought resistant corn hybrid. She is interested in determining if using fertilizer X will increase yield. She prepares 20 single acre plots and randomly assigns 10 to have normal soil while the other 10 are planted with fertilizer X. The resulting yield for each plot was recorded. Select one or more: The explanatory variable is the yield for each plot. The explanatory variable is whether the corn plants had fertilizer X or...
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...
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problem.
3) 3) Construct the confidence interval for the difference pl-P2 for the given level and values of x1,1, x2, and n2. Level 98%: xy - 27, n, - 64, X2 = 16, 12 - 55 4) 4) In an agricultural experiment, the effects of two fertilizers on the production of oranges were measured. Fourteen randomly selected plots of land were treated with fertilizer A, and 10 randomly selected plots were...
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