CRYPTEX FINAL QUIZ AIML

Which function is used to read a CSV file into a Pandas DataFrame?

• pd.load_csv()

• pd.read_csv()

• pd.open_csv()

• pd.import_csv()

How do you display the first five rows of a Pandas DataFrame df?

• df.start()

• df.head()

• df.first()

• df.begin()

Which function is used to plot a line graph in Matplotlib?

• plot.line()

• plt.line()

• plt.plot()

• plot.plot()

How do you display a plot in Matplotlib?

• plt.show()

• plt.display()

• plt.view()

• plt.render()

How do you create a scatter plot with Matplotlib?

• plt.scatterplot()

• plt.scatter()

• plt.plot_scatter

• plt.scatter_graph()

Which function is used to set the x-axis and y-axis labels in a plot?

• plt.axis_labels()

• plt.set_labels()

• plt.xlabel() and plt.ylabel()

• plt.xaxis_label() and plt.yaxis_label()

Which function in sklearn is used to split data into training and testing sets?

• train_test_split()

• split_data()

• train_test_divide()

• split_train_test()

What is the purpose of the StandardScaler class in sklearn?

• To normalize the data.

• To scale features to a standard normal distribution.

• To scale features to a range of [0, 1].

• To impute missing values.

Which method in sklearn is used to train a model?

• fit()

• train()

• learn()

• execute()

What does the term "accuracy" mean in the context of machine learning?

• The number of correct predictions divided by the total number of predictions.

• The number of correct predictions divided by the number of incorrect predictions.

• The sum of correct and incorrect predictions.

• The difference between the true value and the predicted value.