
DataScience-5-Tools
Authored by Bhupalam Priya
Engineering
University
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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
1. What is the main purpose of train_test_split in machine learning?
To visualize data
To train the model faster
To divide data into training and testing sets
To scale the data
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2. Which library provides LogisticRegression in Python?
pandas
NumPy
seaborn
scikit-learn
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3. What type of problem is lung cancer detection using "Yes/No" labels?
Regression
Classification
Clustering
Optimization
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4. Which metric shows the percentage of correct predictions?
Recall
Precision
Accuracy
F1-score
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
5. What does fit() function do in scikit-learn models?
Predicts new values
Evaluates the model
Trains the model on data
Splits the data
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
6. What is the output of model.predict(X_test)?
Accuracy score
Classification report
Predicted labels (0 or 1)
Loss function
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
7. Which of the following is a programming language used in data science?
Tableau
Python
Power BI
Excel
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