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词汇 Student's t-test
释义

Definition of Student's t-test in English:

Student's t-test

noun
  • A test for statistical significance that uses tables of a statistical distribution called Student's t-distribution, which is that of a fraction (t) whose numerator is drawn from a normal distribution with a mean of zero, and whose denominator is the root mean square of k terms drawn from the same normal distribution (where k is the number of degrees of freedom).

    “学生”t检验(利用“学生”t分布统计图表检验统计显著性的方法,是一个分数[t],分子从均值为零的正态分布中得出,分母为从同一正态分布中得出的k项的均方根,其中k为自由度数)

    Example sentencesExamples
    • Statistical significance for data was determined using the Student's t-test, with p = 0.05 denoting significance.
    • Statistical significance was evaluated by means of the two-tailed Student's t-test for unpaired data.
    • Using an unpaired Student's t-test, statistical significance was assigned to comparisons with P values 0.05.
    • Because we do not know that the values have normal distribution, the Wilcoxon test is preferred over the Student's t-test.
    • Results were statistically analyzed using the Student's t-test.

Origin

Early 20th century: Student, the pseudonym of William Sealy Gosset (1876–1937), English brewery employee.

Definition of Student's t-test in US English:

Student's t-test

noun
  • A test for statistical significance that uses tables of a statistical distribution called Student's t-distribution, which is that of a fraction (t) whose numerator is drawn from a normal distribution with a mean of zero, and whose denominator is the root mean square of k terms drawn from the same normal distribution (where k is the number of degrees of freedom).

    “学生”t检验(利用“学生”t分布统计图表检验统计显著性的方法,是一个分数[t],分子从均值为零的正态分布中得出,分母为从同一正态分布中得出的k项的均方根,其中k为自由度数)

    Example sentencesExamples
    • Because we do not know that the values have normal distribution, the Wilcoxon test is preferred over the Student's t-test.
    • Statistical significance for data was determined using the Student's t-test, with p = 0.05 denoting significance.
    • Statistical significance was evaluated by means of the two-tailed Student's t-test for unpaired data.
    • Using an unpaired Student's t-test, statistical significance was assigned to comparisons with P values 0.05.
    • Results were statistically analyzed using the Student's t-test.

Origin

Early 20th century: Student, the pseudonym of William Sealy Gosset (1876–1937), English brewery employee.

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