Grade 11&12

Which of the following is NOT a valid use of Pivot Tables in Google Sheets?

• Summarizing large datasets

• Automatically updating charts

• Grouping data by categories

• Calculating averages of selected columns

What is the key characteristic of supervised learning?

• Learning without labeled data

• Output changes the learning process

• Uses labeled input-output pairs

• The model finds hidden patterns

In a confusion matrix, which value indicates the number of correctly predicted positive cases?

• False Positive

• True Positive

• True Negative

• False Negative

Why is feature scaling important before training a machine learning model?

• To remove irrelevant features

• To reduce memory usage

• To ensure features contribute equally to the model

• To simplify model architecture

What kind of AI is used in a chess-playing computer that calculates the best possible move?

• Supervised Learning

• Rule-Based System

• Image Recognition

• Data Mining

Which one is NOT typically considered an input feature in a machine learning model?

• Age

• Income

• Gender

• Accuracy Score

Which Google Sheets function can help quickly identify the highest value in a dataset?

• AVERAGE()

• SORT()

• MAX()

• COUNTIF()

Which evaluation metric is most useful when your classification model is dealing with imbalanced classes?

• Accuracy

• Precision

• Recall

• F1 Score