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Multiple Choice Questions (MCQs)

Multiple Choice Questions (MCQs)

1. What is the primary goal of Weather Data Analysis?

a. To build video games

b. To analyze weather observations and identify trends

c. To design websites

d. To create databases

Answer: b. To analyze weather observations and identify trends

Weather Data Analysis helps uncover patterns and insights from weather observations.

2. Which library is commonly used to load CSV files in Python?

a. TensorFlow

b. OpenCV

c. Pandas

d. PyTorch

Answer: c. Pandas

Pandas provides powerful functions such as read_csv() for loading datasets.

3. Why do we handle missing values before analysis?

a. To increase file size

b. To avoid inaccurate results and errors

c. To change chart colors

d. To improve internet speed

Answer: b. To avoid inaccurate results and errors

Missing values can negatively impact analysis and visualizations.

4. Which visualization is commonly used to display trends over time?

a. Pie Chart

b. Scatter Plot

c. Line Chart

d. Histogram

Answer: c. Line Chart

Line charts effectively display changes across time periods.

5. What does a correlation heatmap help identify?

a. Weather forecasts

b. Missing values

c. Relationships between variables

d. Dataset size

Answer: c. Relationships between variables

Heatmaps visualize correlation strength among numerical variables.