ID Density 1 4.6 1 6.1 1 5.2 1 4.7 1 4.9 1 6.2 1 5.6 1 4.0 1 4.1 1 6.3 1 5.3 1 4.4 2 6.8 2 5.1 222222222222 5.9 4.8 2 5.8 2 4.7 2 5.6 5.8 2 6.8 2 5.8 6.4 5.5 2 4.8 6.3 2. The electrodes in fluorescent lamps consist of a tungsten wire coil that is impregnated with electron emission mix used to improve the efficiency and life of the electrodes. During operation some emission mix sputters off of the electrodes and onto the bulb wall where it reacts with an indium tin oxide (ITO) film used to reduce lamp breakdown voltage during starting. The reaction product causes unsightly black bands to form on the ends of the lamps adjacent to the electrodes. An instrument was built to measure the darkness of the black bands to support a process improvement program to reduce or eliminate the black bands. The data from an experiment to compare a test lamp design (2) to the control lamp design (1) was performed. The band darkness data (Density) are given in the associated Excel file. a. Create an individual value plot of the data and use it to perform Tukey's two-sample quick test. b. Create boxplots of the data and use them to perform a boxplot slippage test. c. Apply Student's t test to determine if there is a difference between the test and control treatment groups. d. Suppose that the instrument to measure band darkness was deemed too expensive and instead lamps were compared on an ordinal rank order scale. Repeat the analysis of the two-sample data using the nonparametric Mann-Whitney test.
ID Density 1 4.6 1 6.1 1 5.2 1 4.7 1 4.9 1 6.2 1 5.6 1 4.0 1 4.1 1 6.3 1 5.3 1 4.4 2 6.8 2 5.1 222222222222 5.9 4.8 2 5.8 2 4.7 2 5.6 5.8 2 6.8 2 5.8 6.4 5.5 2 4.8 6.3 2. The electrodes in fluorescent lamps consist of a tungsten wire coil that is impregnated with electron emission mix used to improve the efficiency and life of the electrodes. During operation some emission mix sputters off of the electrodes and onto the bulb wall where it reacts with an indium tin oxide (ITO) film used to reduce lamp breakdown voltage during starting. The reaction product causes unsightly black bands to form on the ends of the lamps adjacent to the electrodes. An instrument was built to measure the darkness of the black bands to support a process improvement program to reduce or eliminate the black bands. The data from an experiment to compare a test lamp design (2) to the control lamp design (1) was performed. The band darkness data (Density) are given in the associated Excel file. a. Create an individual value plot of the data and use it to perform Tukey's two-sample quick test. b. Create boxplots of the data and use them to perform a boxplot slippage test. c. Apply Student's t test to determine if there is a difference between the test and control treatment groups. d. Suppose that the instrument to measure band darkness was deemed too expensive and instead lamps were compared on an ordinal rank order scale. Repeat the analysis of the two-sample data using the nonparametric Mann-Whitney test.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter11: Differential Equations
Section11.CR: Chapter 11 Review
Problem 12CR
Related questions
Question
Transcribed Image Text:ID
Density
1
4.6
1
6.1
1
5.2
1
4.7
1
4.9
1
6.2
1
5.6
1
4.0
1
4.1
1
6.3
1
5.3
1
4.4
2
6.8
2
5.1
222222222222
5.9
4.8
2
5.8
2
4.7
2
5.6
5.8
2
6.8
2
5.8
6.4
5.5
2
4.8
6.3
Transcribed Image Text:2. The electrodes in fluorescent lamps consist of a tungsten wire coil that is impregnated with electron
emission mix used to improve the efficiency and life of the electrodes. During operation some
emission mix sputters off of the electrodes and onto the bulb wall where it reacts with an indium tin
oxide (ITO) film used to reduce lamp breakdown voltage during starting. The reaction product causes
unsightly black bands to form on the ends of the lamps adjacent to the electrodes. An instrument was
built to measure the darkness of the black bands to support a process improvement program to reduce
or eliminate the black bands. The data from an experiment to compare a test lamp design (2) to the
control lamp design (1) was performed. The band darkness data (Density) are given in the associated
Excel file.
a. Create an individual value plot of the data and use it to perform Tukey's two-sample quick test.
b. Create boxplots of the data and use them to perform a boxplot slippage test.
c. Apply Student's t test to determine if there is a difference between the test and control treatment
groups.
d. Suppose that the instrument to measure band darkness was deemed too expensive and instead
lamps were compared on an ordinal rank order scale. Repeat the analysis of the two-sample data
using the nonparametric Mann-Whitney test.
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