Introduction To Internet Of Things Week 12 NPTEL Assignment Answers 2025

NPTEL Introduction To Internet Of Things Week 12 Assignment Answers 2024

1. The two types of data analysis are_________________

a. Qualitative and Quantitative
b. Repetitive and Quantitative
c. Neither a nor b
d. Both a and b

✅ Answer: a
Explanation: The two main types of data analysis are qualitative (non-numerical, descriptive) and quantitative (numerical, statistical).

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2. Which of the following is a principle of Qualitative analysis.

a. Notice things
b. Think about things
c. Collect things
d. All of these

✅ Answer: d
Explanation: Qualitative analysis involves observing, thinking, and collecting detailed information about behaviors or phenomena.

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3. Select the statement(s) that is involved with quantitative analysis.

Statement I: Data dispersion
Statement II: Contingence
Statement III: Correlation

a. Statement I
b. Statement II
c. Statements I, II, and III
d. None of these

✅ Answer: c
Explanation: All three—dispersion, contingency, and correlation—are key components of quantitative statistical analysis.

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4. Which of the following is a type of data dispersion?

a. Range
b. Average absolute deviation
c. Both a and b
d. Neither a nor b

✅ Answer: c
Explanation: Range and average absolute deviation are both measures that describe how data points are spread out.

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5. In ANOVA, if the distribution of each group is normal, it is known as_______________

a. Homogeneity
b. Normality
c. Neither a nor b
d. Both a and b

✅ Answer: b
Explanation: Normality refers to the condition where each group’s data follows a normal distribution in ANOVA.

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6. The expectation of the squared deviation of a random variable from its mean is known as___________

a. Absolute deviation
b. Range
c. Standard deviation
d. Variance

✅ Answer: d
Explanation: Variance is defined as the expected value of the squared deviation from the mean.

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7. What are the two types of statistical models?

a. Regression and dispersion
b. Complete and incomplete
c. Both a and b
d. Neither a nor b

✅ Answer: b
Explanation: In statistics, models are often classified as complete or incomplete depending on the data and context.

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8. Which of the following is a type of table that displays the frequency distribution of the variables?

a. Cross tabulation
b. Contingency table
c. Both a and b
d. Neither a nor b

✅ Answer: c
Explanation: Cross tabulation and contingency tables are both used to show frequency distribution between variables.

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9. Advances in sensor and connectivity have enabled preventive care in IoT Healthcare.

a. True
b. False

✅ Answer: a
Explanation: IoT in healthcare enables real-time monitoring and alerts, helping in preventive and proactive care.

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10. Which of the following is an application of IoT in Agriculture?

a. Automated irrigation system
b. Automated weeding system
c. Water level monitoring
d. All of these

✅ Answer: d
Explanation: IoT is widely used in agriculture for tasks like irrigation, weeding, and monitoring water levels.

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11. Which of the following is a property of in-place data analysis?

a. Power intensive
b. On the device
c. No need of network
d. All of these

✅ Answer: d
Explanation: In-place data analysis means data is processed locally, which is power-intensive and doesn’t require network transmission.

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12. Which of the following is the advantage of activity monitoring?

a. Expensive
b. Long term monitoring
c. Both a and b
d. Neither a nor b

✅ Answer: b
Explanation: One key advantage of activity monitoring is that it allows for continuous, long-term health or behavior tracking.

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13. Deep learning based data analysis cannot be performed on sensor data.

a. True
b. False

✅ Answer: b
Explanation: Deep learning can be applied to sensor data for recognizing patterns and anomalies.

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14. Which of the following is true for network-based data analysis?

a. Low power
b. Good network connection required
c. Group-based analytics
d. All of these

✅ Answer: d
Explanation: Network-based analysis requires good connectivity, enables group data aggregation, and can be optimized for low power use.