NPTEL Data Science for Engineers Assignment 6 Answers 2022

NPTEL Data Science for Engineers Assignment 6 Answers 2022:- All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.

What is Data Science for Engineers?

Data Science for Engineers is a fun-filled course where Domain Certification helps learners to gain expertise in a specific Area/Domain. This can be helpful for learners who wish to work in a particular area as part of their job or research or for those appearing for some competitive exam or becoming job-ready or specializing in an area of study.  

Every domain will comprise Core courses and Elective courses. Once a learner completes the requisite courses per the mentioned criteria, you will receive a Domain Certificate showcasing your scores and the domain of expertise.

CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of the average of best 6 assignments out of the total 8 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF THE AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

COURSE NAMEANSWER
NPTEL Data Science for Engineers Assignment 1 AnswersClick Here
NPTEL Data Science for Engineers Assignment 2 Answers Click Here
NPTEL Data Science for Engineers Assignment 3 Answers Click Here
NPTEL Data Science for Engineers Assignment 4 Answers Click Here
NPTEL Data Science for Engineers Assignment 5 Answers Click Here
NPTEL Data Science for Engineers Assignment 6 Answers Click Here
NPTEL Data Science for Engineers Assignment 7 Answers Click Here
NPTEL Data Science for Engineers Assignment 8 Answers NA

NPTEL Data Science for Engineers Assignment 6 Answers 2022 {July – Dec}

1. Choose the correct option that best describes the relation between the variables x and y in the given data

a. Randomly sampled
b. Negatively correlated
c. Positively correlated
d. None of the above

Answer:- 

2. Identify the parameters β0β0 and β1β1 that fits the linear model β0+β1x using the following information: total sum of squares of X, SSXX=52.53, SSXY=52.01, mean of x,x¯=4.46,x,x¯=4.46, and mean of y,y¯=6.32

a. 1.9 and 0.99
b. 10.74 and 1.01
c. 4.42 and 1.01
d. None of the above

Answer:- 

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NPTEL Data Science for Engineers Assignment 6 Answers 2022

3. The model built from the data given below is Y=1.39x+6.09. Find the values for R2 and Adjusted R2.

Answer:- 

4. Linear Regression is an optimization problem where we attempt to minimize

Answer:- 

5. What is the relationship between the variables height and weight?

Answer:- 

6. What is the R-Squared value of the model obtained in Q5?

Answer:- 

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NPTEL Data Science for Engineers Assignment 6 Answers 2022

7. Based on the model relationship obtained from Q5, what is the residual error obtained while calculating the weight of a woman with height 69 cms?

Answer:- 

8. State whether the following statement is True or False.

Covariance is a better metric to analyze the association between two variables than correlation.

a. True
b. False

Answer:- 

9. If R2 is 0.6, SSR=200 and SST=500, then SSE is

Answer:- 

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NPTEL Data Science for Engineers Assignment 6 Answers 2022 {Jan – June}

Q1. Which of the following quantities can be used to make a preliminary check on the association between 2 variables?

  • Mean 
  • Variance 
  • Correlation coefficient 
  • Standard deviation

Answer:- c

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Q2. State whether the following statement is True or False
In linear regression, only the dependent variable has errors.

  • True 
  • False

Answer:- b

Q3. Linear Regression is an optimization problem where we attempt to minimize

  • SSR (residual sum-of-squares) 
  • SST (total sum-of-squares) 
  • SSE (sum-squared error) 
  • Slope

Answer:- c

Q4. When a linear regression model is obtained without an intercept, the resultant β0

Answer:- a, b

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NPTEL Data Science for Engineers Assignment 6 Answers 2022

Q5. What is the relationship between the variables height and weight?

Answer:-  a

Q6. Which of the following components are significant in determining the weight of a woman?

Answer:- c

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Q7. What is the R-Squared value of the model obtained in Q5?

Answer:- b

Q8. Based on the model relationship obtained from Q5, what is the residual error obtained while calculating the weight of a woman with height of 69 cms?

Answer:- d

Q9.Which of the following quantities cannot be used to measure the goodness of fit of a linear regression model?

Answer:- a, c

Q10. State whether the following statement is True or False.
Covariance is a better metric to analyze the association between two variables than correlation.

Answer:- b

Disclaimer:- We do not claim 100% surety of solutions, these solutions are based on our sole expertise, and by using posting these answers we are simply looking to help students as a reference, so we urge do your assignment on your own.

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NPTEL Data Science for Engineers Assignment 6 Answers 2022:- All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.

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