List of top Data Science Questions asked in CBSE Class Twelve Board Exam

Which type of analysis is suitable for examining the relationship between rainfall and crop growth and the amount of crop growth for a certain level of rainfall?
Assertion (A) : In real-life scenarios, a small RMSE value indicates a better model fit to the data and higher accuracy.
Reason (R) : A large RMSE value suggests that the model fits the data well.
Which of the following are common techniques for handling missing data in a dataset?
1. Remove the entire column of data.
2. Remove the row of data with missing values.
3. Insert a value close to the mean or mode of the variable with missing data.
4. Leave the missing data as it is.
5. Insert a random value.
In case of a classification tree, predictions on unseen data are made using the ...............
How does the curse of dimensionality affect the performance of the K-Nearest Neighbours (K-NN) algorithm?
CCPA stands for:
Name the algorithm which makes predictions based on the outcomes of several decision trees.
Which characteristics describe K-Nearest Neighbours (K-NN) algorithm?
State whether the following statement is True or False:
In terms of data privacy, companies are considered the sole owners of user data.