DATASET'24 Quizz (Round 2)

Which of the following is an example of a regression problem?

• Predicting house prices

• Identifying objects in images

• Email spam classification

• Stock market price prediction

Which of the following Python libraries is commonly used for data manipulation and analysis?

• NumPy

• Pandas

• TensorFlow

• Matplotlib

Which type of AI involves learning from experience to improve performance over time?

• Rule-Based AI

• Reactive AI

• Machine Learning (ML)

• Expert Systems

Which of the following is a method for visualizing data?

• Confusion Matrix

• Scatter Plot

• Precision Score

• Cross-validation

Which of the following is a key assumption of linear regression?

• The relationship between the dependent and independent variables is non-linear.

• The errors (residuals) should be normally distributed with a mean of zero.

• The independent variables should be highly correlated.

• The dependent variable must be categorical.

When would you use a 'Violin Plot' instead of a box plot?

• When you need to visualize the data distribution and probability density

• When you need to compare multiple numerical features

• When you want to represent categorical data

• When you have only two variables to compare

What is 'Transfer Learning' in AI?

• Learning from scratch with a large dataset

• The ability of an AI model to learn from one task and apply knowledge to another similar task

• The process of tuning a model's hyperparameters

• Learning by interaction with the environment

What is the main purpose of a 'Histogram' in data visualization?

• To visualize the distribution of categorical data

• To plot the relationship between two numerical variables

• To display the frequency distribution of a continuous variable

• To compare proportions in a dataset

What is the probability of rolling a number less than 3 on a standard die?

• 1/6

• 2/6

• 3/6

• 4/6

What does the 'p-value' in hypothesis testing indicate?

• The mean of the data

• The probability of rejecting the null hypothesis correctly

• The spread of the data

• The range of the data