Here is the dataset containing plant growth measurements, e of plants grown in solutions of commonly-found chemicals in roadway runoff. Researchers wish to determine roadway runoff with different compositions has a different effect on plant growth. Phragmites australis, a fast-growing non-native grass common to roadsides and disturbed wetlands of Tidewater Virginia, was grown in a greenhouse and watered with one of the following treatments: • Distilled water (control): A weak petroleum solution (representing standard roadway runoff): • Sodium chloride solution: Magnesium chloride solution: • De-icing brine (50% sodium chloride and 50% magnesium chloride). Twenty grass preparations were used for each solution, and total growth (in cm) was recorded after watering every other day for 40 days. Perform the correct statistical test to determine the p-value. Report your answer in scientific notation g. 1.00E-04 You should use formulas, functions, and the Data Analysis ToolPak in MS Excel to avoid additive rounding errors. Here are some useful functions: t.test(array1,array2.tails.type) o Produces a p-value for any type of a test from a data set • chidist(x.degrees of freedom) o Produces a pwalue from a calculated chi-squared statistic • ANOVA Single Factor from the data analysis tool pack o Performs a 1-way ANOVA on a data set with only one factor .ANOVA 2-Factor from the data analysis tool pack o Performs an ANOVA on data with multiple treatments • Regression from the data analysis tool pack o Performs a linear regression and the corresponding t-test on the slope of the line
Here is the dataset containing plant growth measurements, e of plants grown in solutions of commonly-found chemicals in roadway runoff. Researchers wish to determine roadway runoff with different compositions has a different effect on plant growth. Phragmites australis, a fast-growing non-native grass common to roadsides and disturbed wetlands of Tidewater Virginia, was grown in a greenhouse and watered with one of the following treatments: • Distilled water (control): A weak petroleum solution (representing standard roadway runoff): • Sodium chloride solution: Magnesium chloride solution: • De-icing brine (50% sodium chloride and 50% magnesium chloride). Twenty grass preparations were used for each solution, and total growth (in cm) was recorded after watering every other day for 40 days. Perform the correct statistical test to determine the p-value. Report your answer in scientific notation g. 1.00E-04 You should use formulas, functions, and the Data Analysis ToolPak in MS Excel to avoid additive rounding errors. Here are some useful functions: t.test(array1,array2.tails.type) o Produces a p-value for any type of a test from a data set • chidist(x.degrees of freedom) o Produces a pwalue from a calculated chi-squared statistic • ANOVA Single Factor from the data analysis tool pack o Performs a 1-way ANOVA on a data set with only one factor .ANOVA 2-Factor from the data analysis tool pack o Performs an ANOVA on data with multiple treatments • Regression from the data analysis tool pack o Performs a linear regression and the corresponding t-test on the slope of the line
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Transcribed Image Text:Distilled H2O
20
19.95
20.15
20.1
20.08
19.96
19.96
20.14
20.04
19.95
19.99
20.03
19.95
20.07
20
19.95
20.05
20.05
20.06
19.93
Petro
19.84
20.08
19.82
19.91
20.06
19.96
20.09
19.91
20.03
19.86
19.99
19.89
19.81
19.95
20.08
19.95
19.92
20.06
19.95
19.82
NaCl
20
19.99
20.07
20
19.83
20.03
19.93
20.04
19.97
19.93
20.02
20.02
19.87
19.95
19.91
20
20.09
19.98
19.81
20.05
MgCl
19.88
19.86
19.8
19.95
19.83
19.93
19.9
19.95
19.98
19.86
20.1
19.79
19.83
20.07
19.8
19.78
20.02
20.07
19.92
20.08
NaCl + MgCl
19.93
19.84
19.9
19.82
19.93
19.82
19.88
19.9
19.82
19.83
19.97
19.81
19.88
19.88
19.83
19.81
19.7
19.8
19.82
19.83
Transcribed Image Text:Here is the dataset containing plant growth measurements of plants grown in solutions of commonly-found chemicals in roadway runoff. Researchers wish to determine roadway runoff with different compositions has a
different effect on plant growth.
Phragmites australis, a fast-growing non-native grass common to roadsides and disturbed wetlands of Tidewater Virginia, was grown in a greenhouse and watered with one of the following treatments:
Distilled water (control);
weak petroleum solution (representing standard roadway runoff);
• Sodium chloride solution:
• Magnesium chloride solution;
• De-icing brine (50% sodium chloride and 50% magnesium chloride).
Twenty grass preparations were used for each solution, and total growth (in cm) was recorded after watering every other day for 40 days.
• Perform the correct statistical test to determine the p-value.
• Report your answer in scientific notation
e.g. 1.00E-04
You should use formulas, functions, and the Data Analysis ToolPak in MS Excel to avoid additive rounding errors. Here are some useful functions:
• t.test(array1,array2,tails.type)
o Produces a p-value for any type of a t-test from a data set
s of f
f freedom)
o Produces a p-value from a calculated chi-squared statistic
•=chidist(x.degrees
• ANOVA Single Factor from the data analysis tool pack
o Performs a 1-way ANOVA on a data set with only one factor
• ANOVA 2-Factor from the data analysis tool pack
o Performs an ANOVA on data with multiple treatments
• Regression from the data analysis tool pack
o Performs a linear regression and the corresponding t-test on the slope of the line
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