Please use R: an analyst is looking to identify differences between dentists, methods and alloys on the hardness for gold fillings. Using the dataset below please answer the following questions:(a) Conduct a test to see if there are main effects for dentist, method, alloy, temperature.(b) Produce a plot which will show these effects if any. Interpret the plot, which should match your result in a.(c) Conduct a test to see if there are main effects for alloy and temperature as well as interaction effects.(d) Product a plot which will show these effects if any. Interpret the plot, which should match your result in c. 1234567008910111213141516171819202122232425262728293031323334353637dentist1111111111111111112222222222222222223method111111222222333333111111222222333333alloy1112221112221112221112221112221112221temperature1500160017001500160017001500160017001500160017001500160017001500160017001500160017001500160017001500160017001500160017001500160017001500160017001500hardness8137927929077928357826986651115835870752620835847560585715803813858907882772782743933792824835715673698734681743

Introduction:In this analysis using the R programming language, aim to explore and understand the…

Answered: Please use R: an analyst is looking to…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Please use R: an analyst is looking to identify differences between dentists, methods and alloys on the hardness for gold fillings. Using the dataset below please answer the following questions:

(a) Conduct a test to see if there are main effects for dentist, method, alloy, temperature.

(b) Produce a plot which will show these effects if any. Interpret the plot, which should match your result in a.

(d) Product a plot which will show these effects if any. Interpret the plot, which should match your result in c.

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dentist
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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method
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3
1
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alloy
1
1
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2
1
1
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2
2
1
1
1
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2
1
1
1
2
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2
1
1
1
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2
1
1
1
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1
temperature
1500
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1700
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1700
1500
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1500
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1700
1500
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1700
1500
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1700
1500
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1700
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1700
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1700
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1700
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1500
hardness
813
792
792
907
792
835
782
698
665
1115
835
870
752
620
835
847
560
585
715
803
813
858
907
882
772
782
743
933
792
824
835
715
673
698
734
681
743

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ISBN:

9780078022159

Author:

Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:

McGraw-Hill Education