# NPTEL Learning Analytics Tools Week 4 Assignment Answers 2024

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?

• 50%
• 25%
• 75%
• 100%
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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?

• 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
`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?

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

• 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.

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?

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