有限总体修正系数

def solve():
    import pandas as pd
    import numpy as np
    import matplotlib.pyplot as plt
    url = '____'
    df = pd.read_csv(____)
    N, n = len(____), ____
    sig = df['____'].std(____)
    se = round(sig/np.sqrt(____), ____)
    fpc = round(np.sqrt((____)/(____)), ____)
    print(____)
    n_vals = np.arange(____, N, ____)
    fpcs = [np.sqrt((____)/(____)) for nv in n_vals]
    plt.plot(____)
    plt.xlabel(____); plt.ylabel(____); plt.title(____)
    plt.tight_layout(); plt.show()