NPTEL Learning Analytics Tools Week 4 Assignment Answers 2024

Sanket
By Sanket

NPTEL Learning Analytics Tools Week 4 Assignment Answers 2024

1. Consider the following box plot. The box plot represents the distribution of marks in the mid-semester examination. What percentage of students obtained marks between 24-31?

w4a4q1
  • 50%
  • 25%
  • 75%
  • 100%
Answer :- For Answers Click Hera 

2. Which of the following is true Histogram?

  • Only used for the numerical type of data
  • Can be used for numerical, nominal or categorical types.
  • Different bin sizes lead to different histograms
  • Bin size should be equal
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3. In the figure below, what is the relation between the two variables represented on two axes?

w4a4q3
  • Linear
  • Negative
  • Positive
  • Non-linear
Answer :- 

4. When using a data visualization technique, which considerations are important?

  • The information you want to convey
  • The kind of data you have
  • The personal opinion of the participants in your study
  • The possible interpretation of your reader/audience
Answer :- 

5. Which of the following statements are true for Box-plot?

  • It can be drawn only for numerical data
  • It can be drawn for numerical as well as categorical data.
  • It shows min, max , median value for a given data set.
  • It shows min, max, median as the mean value of the given data sets.
  • It shows the outliers.
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6. Which of the following statements are correct

  • Scatter plot can be plot only to show relationship between two variables
  • Scatter plot can be drawn to show relationship between two or more than two variables
  • Line chart show variation of variable only with time
  • Line charts shows variation of a variable with any other parameters
Answer :- 

7. In the below graph, what is the relation between the two variables?

w4a4q7
  • Linear
  • Non-linear
  • High positive (r = 1)
  • Negative
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8. Match the following

w4a4q8.1
w4a4q8.2
  • 1-B, 2-C, 3-A, 4-D
  • 1-C, 2-D, 3-B, 4-A
  • 1-D, 2-A, 3-C, 4-B
  • 1-C, 2-D, 3-A, 4-B
Answer :- 

From the box plot shown below, answer the questions Q9, and Q.10.

w4a4q9

The box plot represents the distribution of Maths results in the mid-semester examination.

9. Find the interquartile range with the help of box plot

Answer :- 

10. What percentage of students obtained marks between 30-80?

Answer :- For Answers Click Hera 
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