Call Duration by Department

import numpy as np
import matplotlib.pyplot as plt
import pandas as pd
import ptitprince as pt

np.random.seed(215)
BG_COLOR = '#ffffff'
TEXT_COLOR = '#1f2937'
COLORS = ['#4927F5', '#F54927', '#27F5B0', '#F5D327']

depts = ['Sales', 'Support', 'Billing', 'Returns']
data = pd.DataFrame({
    'Duration': np.concatenate([
        np.random.gamma(3, 3, 100),
        np.random.gamma(5, 4, 120),
        np.random.gamma(2, 2, 90),
        np.random.gamma(4, 3.5, 85)
    ]),
    'Dept': ['Sales']*100 + ['Support']*120 + ['Billing']*90 + ['Returns']*85
})

fig, ax = plt.subplots(figsize=(10, 6), facecolor=BG_COLOR)
ax.set_facecolor(BG_COLOR)

pt.RainCloud(x='Dept', y='Duration', data=data, palette=COLORS,
             bw=.2, width_viol=.6, ax=ax, orient='h', alpha=.65,
             dodge=True, pointplot=False, move=.2)

ax.axvline(10, color='#22c55e', linestyle='--', alpha=0.6, linewidth=1.5)
ax.text(10.5, 3.5, 'Target', color='#22c55e', fontsize=9)

ax.set_xlabel('Call Duration (minutes)', fontsize=12, color=TEXT_COLOR, fontweight='500')
ax.set_ylabel('Department', fontsize=12, color=TEXT_COLOR, fontweight='500')
ax.set_title('Call Duration by Department', fontsize=14, color=TEXT_COLOR, fontweight='bold', pad=15)

ax.tick_params(colors='#374151', labelsize=10)
for spine in ax.spines.values():
    spine.set_color('#e5e7eb')

plt.tight_layout()
plt.show()