p值法vs临界值法GPA检验

def solve():
    import pandas as pd
    import numpy as np
    import matplotlib.pyplot as plt
    from scipy import stats
    url = '____'
    df = pd.read_csv(____)
    n = len(____)
    t, p = stats.ttest_1samp(____)
    tc = stats.t.ppf(____, n-____)
    print(____)
    print(____)
    x = np.linspace(____)
    y = stats.t.pdf(____)
    plt.plot(____)
    plt.fill_between(x, y, where=(____)|(____), alpha=____, color='____', label='____')
    plt.axvline(____)
    plt.xlabel(____); plt.ylabel(____); plt.title(____); plt.legend()
    plt.tight_layout(); plt.show()