import matplotlib.pyplot as plt
a = [2.94, 3.63, 4.18, 4.99, 6.06, 7.05, 5.93, 3.93, 3.15, 2.9, 3.59, 2.89, 2.18, 1.75, 1.68, 1.52, 1.29, 1.14, 1.06, 1.33, 1.07, 1.18, 1.26, 1.37, 1.41, 1.2, 1.13, 1.15, 1.15, 1.3, 1.23, 1.01, 1.24, 0.97, 1.08, 0.98, 0.83, 0.72, 0.7, 0.68, 0.7, 0.61, 0.74, 0.92, 0.75, 1.0, 1.21, 1.51, 0.87, 0.84, 0.85, 0.78]
print(len(a))
_ = plt.hist(a, bins=52)
plt.title("Гистограмма коэффициентов конверсии")

plt.show()