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Computer Assignment 5 University of Illinois, Chicago IDS 371 R163,43   Add to cart

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Computer Assignment 5 University of Illinois, Chicago IDS 371

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Question 1 According the box plots, the 75th percentile for taste is approximately Selected Answer: 37 Answers: 15 20 37 None of the above Question 2 The relevant conclusion from the Normal QQ Plots is Selected Answer: All of the variables are roughly normal Answers: All of the variables ...

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  • February 20, 2023
  • 5
  • 2022/2023
  • Exam (elaborations)
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Question 1 10 out of 10 points
According the box plots, the 75th percentile for taste is approximately

Selected Answer: 37

Answers: 15
20
37

None of the above




Question 2 10 out of 10 points
The relevant conclusion from the Normal QQ Plots is

Selected Answer: All of the variables are roughly normal


Answers: All of the variables are roughly normal


None of the variales are roughly normal


All of the variables are symmetric

All of the variables go from lower left to upper right




Question 3 10 out of 10 points
From the box­plots, the most symmetric variable is

Selected Answer: Lactic


Answers: Taste


Acetic


H2S

Lactic




Question 4 0 out of 10 points
Looking at the scatterplots, which of the three explanatory variables has
the most linear relationship with Taste

Selected Answer: Lactic

This study source was downloaded by 100000850872992 from CourseHero.com on 02-19-2023 21:45:44 GMT -06:00


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, Answers: Taste


Acetic


H2S


Lactic




Question 5 10 out of 10 points
The regression with all three explanatory variables shows that which one
of them is non­significant

Selected Answer: Acetic


Answers: Taste

Acetic


H2S


Lactic




Question 6 0 out of 10 points
After removing the non­significant variable, the remaining variables are

Selected Answer: Both statistically significant at alpha=1%


Answers: Both statistically significant at alpha=1%

Both statistically significant at alpha=5%


Neither statistically significant at alpha=1%




Question 7 10 out of 10 points
The normal probability plot for the residuals shows

Selected
Answer: Residual are normal with a slight variation about three­
quarters of the way up to plot

Answers: Residuals are completely normal
This study source was downloaded by 100000850872992 from CourseHero.com on 02-19-2023 21:45:44 GMT -06:00


https://www.coursehero.com/file/20849716/Computer-Assignment-5/

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