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✅ Subject: Data Analytics with Python
📅 Week: 6
🎯 Session: NPTEL 2025
🔗 Course Link: Click Here
🔍 Reliability: Verified and expert-reviewed answers
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Data Analytics with Python Week 6 NPTEL Assignment Answers 2025
1.
- regression equation
- correlation equation
- estimated regression equation
- regression model
Answer :- For Answers Click Here
2. In regression analysis, which of the following is not a required assumption about the error term e ?
- The expected value of the error term is one
- The variance of the error term is the same for all values of X.
- The values of the error term are independent
- The error term is normally distributed
Answer :- For Answers Click Here
3. A regression analysis between sales (Y in $1000) and advertising (X in dollars) resulted in the following equation
Y= 30,000 + 5 X
The above equation implies that an
- increase of $5 in advertising is associated with an increase of $5,000 in sales
- increase of $1 in advertising is associated with an increase of $5 in sales
- increase of $1 in advertising is associated with an increase of $35,000 in sales
- increase of $1 in advertising is associated with an increase of $5,000 in sales
Answer :-
The Joy of Computing using Python Week 6 NPTEL Assignment Answers
4. In a regression and correlation analysis if r2 = 1, then
- SSE = SST
- SSE = 1
- SSR = SSE
- SSR = SST
Answer :-
5. SSE can never be
- larger than SST
- smaller than SST
- equal to 1
- equal to zero
Answer :-
6. For the given data determine the R-squared value
Data:
Miles travel Petrol Consumption in litre
20 1
45 3
56 5
34 2
28 1.6
49 3.7
- 0.887
- 0.956
- 0.945
- 0.932
Answer :- For Answers Click Here
7. In the question no. 6 we will:
- Accept the null hypothesis
- Reject the null hypothesis
- Cant state any conclusion
- None of the above
Answer :-
8. In Question 6, determine a 95% confidence interval for b1 to test the hypotheses
- (0.045,0.138)
- (0.055,0.148)
- (0.065,0.158)
- (0.075,0.138)
Answer :-
9. State TRUE or FALSE –
Statement: The variance of error, is same for all values of the independent variable
- True
- False
Answer :-
10. Which of the following is possible for the coefficient of determination:
- It can be larger than 1
- It is less than one
- It can be less than -1
- None of these alternatives is correct
Answer :- For Answers Click Here
Data Analytics with Python Week 6 NPTEL Assignment Answers 2024
1.
Answer :- c
2. In regression analysis, which of the following is not a required assumption about the error term ?
- The expected value of the error term is one
- The variance of the error term is the same for all values of X
- The values of the error term are independent
- The error term is normally distributed
Answer :- a
3. A regression analysis between sales (Y in $1000) and advertising (X in dollars) resulted in the following equation
Y= 30,000 + 5 X
The above equation implies that an
- increase of $5 in advertising is associated with an increase of $5,000 in sales
- increase of $1 in advertising is associated with an increase of $5 in sales
- increase of $1 in advertising is associated with an increase of $35,000 in sales
- increase of $1 in advertising is associated with an increase of $5,000 in sales
Answer :- d
4. In a regression and correlation analysis if r squared = 1, then
- SSE = SST
- SSE = 1
- SSR = SSE
- SSR = SST
Answer :- d
5. SSE can never be
- larger than SST
- smaller than SST
- equal to 1
- equal to zero
Answer :- a
6.
Answer :- b
7. In question no. 6 , when testing the hypothesis of slope, we will:
- Accept the null hypothesis
- Reject the null hypothesis
- Can’t state any conclusion
- None of the above
Answer :- b
8. In Question 6, determine a 95% confidence interval for B1 to test the hypotheses
- (0.045, 0.138)
- (0.055, 0.148)
- (0.065, 0.158)
- (0.075, 0.138)
Answer :- a
9. State TRUE or FALSE –
Statement: The variance of error is same for all values of the independent variable
- True
- False
Answer :- a
10. Which of the following is possible for the coefficient of determination:
- It can be larger than 1
- It is less than one
- It can be less than -1
- None of these alternatives is correct
Answer :- b
Conclusion:
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