15 min Score: 0 Attempted: 0/15 Subscribe 1. What is the primary goal of a classification algorithm in machine learning? (A) To assign each data point to one of the predefined classes or categories (B) To group similar data points into clusters (C) To predict continuous numerical values (D) To reduce the dimensionality of the … Read more

15 min Score: 0 Attempted: 0/15 Subscribe 1. What is the primary goal of data mining? (A) To remove redundant data (B) To reduce the size of the dataset (C) To store data in a more efficient format (D) To analyze the data to identify patterns, trends, and relationships 2. Which of the following is … Read more

15 min Score: 0 Attempted: 0/15 Subscribe 1. What is the primary reason for handling missing data in a dataset? (A) To prevent bias in the analysis and ensure model accuracy (B) To reduce the complexity of the data (C) To create a smaller dataset (D) To increase the number of features in the dataset … Read more

15 min Score: 0 Attempted: 0/15 Subscribe 1. What is the primary goal of data reduction in data preprocessing? (A) To remove missing values from the dataset (B) To increase the dataset’s complexity (C) To reduce the size of the dataset without losing significant information (D) To convert data into a more suitable format for … Read more

15 min Score: 0 Attempted: 0/15 Subscribe 1. What is the main purpose of data transformation in the data preprocessing pipeline? (A) To convert the data into a more suitable format for analysis or modeling (B) To reduce the number of features in the dataset (C) To combine data from different sources (D) To remove … Read more

15 min Score: 0 Attempted: 0/15 Subscribe 1. What is the primary goal of data cleaning? (A) To remove redundant features (B) To remove noise and correct errors in the dataset (C) To reduce the size of the dataset (D) To increase the dataset’s complexity 2. Which of the following is NOT typically considered a … Read more

15 min Score: 0 Attempted: 0/15 Subscribe 1. Which of the following is the first step in data preprocessing? (A) Data transformation (B) Data cleaning (C) Data integration (D) Data reduction 2. What is the primary purpose of data cleaning in preprocessing? (A) To convert data into a more useful format (B) To eliminate irrelevant … Read more

10 min Score: 0 Attempted: 0/10 Subscribe 1. What is the first step in the knowledge discovery process? (A) Data Mining (B) Data Transformation (C) Data Selection (D) Data Cleaning 2. Which of the following best describes data mining? (A) Identifying useful patterns and knowledge from data (B) Collecting raw data from various sources (C) … Read more

10 min Score: 0 Attempted: 0/10 Subscribe 1. Which of the following is a common application of data mining in the banking sector? (A) Predicting weather patterns (B) Managing inventory levels (C) Fraud detection and credit risk analysis (D) Designing office layouts 2. How is data mining used in the healthcare industry? (A) To manage … Read more

10 min Score: 0 Attempted: 0/10 Subscribe 1. Which of the following is a primary application area of data mining? (A) Web Design (B) Market Basket Analysis (C) Graphic Editing (D) Video Streaming 2. Data mining is extensively used in which sector for credit scoring and risk assessment? (A) Healthcare (B) Education (C) Entertainment (D) … Read more