Mastering Histograms with Matplotlib

What function is used to create a histogram in Matplotlib?

• barplot

• hist

• scatter

• lineplot

How can you change the number of bins in a histogram?

• Adjust the bin width or specify the number of bins in the histogram settings.

• Increase the height of the histogram.

• Change the color of the histogram bars.

• Add more data points to the dataset.

What parameter would you use to set the color of the bars in a histogram?

• color

• shade

• hue

• tint

How do you add a title to a histogram plot in Matplotlib?

• Set the title with plt.annotate('Your Title Here') after plt.hist()

• Add title using plt.xlabel('Your Title Here') before plt.hist()

• Use plt.legend('Your Title Here') to add a title to the histogram.

• Use plt.title('Your Title Here') after plt.hist() to add a title to the histogram.

What does the height of each bar in a histogram represent?

• The height of each bar represents the range of data points in that interval.

• The height of each bar indicates the total number of data points.

• The height of each bar shows the average value of data points in that interval.

• The height of each bar represents the frequency of data points in that interval.

How can you normalize a histogram to show probabilities?

• Add a constant value to each bin count.

• Ignore the total number of data points and use the bin counts as is.

• Multiply each bin count by the total number of data points.

• Divide each bin count by the total number of data points.

How can you display a grid on a histogram plot?

• Use plt.grid(True) in Matplotlib after plotting the histogram.

• Use plt.show() to display the histogram.

• Apply plt.legend() to add a legend to the plot.

• Set the figure size with plt.figure(figsize=(10,5)).

How can you save a histogram plot as an image file in Matplotlib?

• Call plt.save('histogram.jpg') before plt.hist() to save the histogram.

• Use plt.savefig('histogram.png') after plt.hist() to save the histogram.

• Use plt.show() to display the histogram without saving it.

• Export the histogram using plt.export('histogram.png') after plt.hist().