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 NAME | ANSWER |
| NPTEL Data Science for Engineers Assignment 1 Answers | Click 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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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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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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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
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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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