ML Quiz 1

What is the primary goal of machine learning?

• • To memorize data

• • To make predictions based on data patterns

• To replace human intelligence

• • To execute predefined instructions

Which of the following is NOT a type of machine learning?

• Supervised Learning

• Unsupervised Learning

• Constructive Learning

• Reinforcement Learning

In supervised learning, the model is trained using:

• Unlabeled data

• Only input data

• Labeled data

• Random data points

Clustering is an example of which type of learning

• Supervised Learning

• Unsupervised Learning

• Reinforcement Learning

• Semi-Supervised Learning

What is the primary function of reinforcement learning?

• To label data

• To learn by receiving rewards and punishments

• To find patterns in unlabeled data

• To create new datasets

What is the purpose of data cleaning?

• Remove duplicate data

• Handle missing values

• Correct inconsistencies

• All of the above

What is an outlier in a dataset?

• A missing value

• A data point that is significantly different from other observations

• A duplicate entry

• A categorical variable

Which of the following is an example of ordinal data?

• Student names

• Eye color

• Customer satisfaction levels (Low, Medium, High)

• Employee ID

Diagnostic Analysis is

• what happened in the past

• actions you can take to affect those outcomes.

• what is most likely to happen in the future.

• why something happened in the past

The process of detection and removal of errors in data is called

• data modifying

• data analyzing

• data cleaning

• data detecting