
ANOVA
词性与含义
“anova”是“分析方差”(Analysis of Variance)的缩写,主要用作名词。它在统计学中用于比较三个或更多样本均值是否有显著差异。没有形容词形式。该术语通常用于实验设计和数据分析领域。
词语辨析
ANOVA是一种统计方法,常用来检验不同组别之间的差异。它与T检验的区别在于,ANOVA可以处理三个或更多组的比较,而T检验一般用于两个组之间的比较。
词汇扩充
- 单因素ANOVA(One-way ANOVA)
- 双因素ANOVA(Two-way ANOVA)
- 方差分析(Variance analysis)
近义词
- 方差分析(Variance analysis)
- 统计检验(Statistical test)
反义词
- 无差异(No difference)
字典引用
根据柯林斯词典,ANOVA是一种用于比较多个组之间均值的统计方法。牛津词典也定义了ANOVA为一种分析不同样本均值之间差异的工具。
用法
ANOVA常用于实验、心理学研究、市场调查等领域。使用ANOVA时,研究者需要确保满足其假设条件,如独立性、正态性和方差齐性。
例句
The results of the ANOVA indicated significant differences between the groups.
ANOVA的结果表明各组之间存在显著差异。
We performed a one-way ANOVA to analyze the data.
我们进行了单因素方差分析以分析数据。
The p-value obtained from the ANOVA test was less than 0.05.
从ANOVA检验获得的p值小于0.05。
In this study, we used a two-way ANOVA to evaluate the effects of two factors.
在这项研究中,我们使用了双因素方差分析来评估两个因素的影响。
The assumption of homogeneity of variance is crucial for ANOVA.
方差齐性假设对ANOVA至关重要。
Post-hoc tests were conducted after the ANOVA to identify specific group differences.
在ANOVA后进行了事后检验以确定特定组之间的差异。
ANOVA can help researchers determine whether different treatments result in different outcomes.
ANOVA可以帮助研究人员确定不同处理是否导致不同的结果。
The effect size can be calculated after conducting an ANOVA.
在进行ANOVA后,可以计算效应量。
In our analysis, the interaction effects were significant.
在我们的分析中,交互效应显著。
Understanding the assumptions of ANOVA is essential for accurate results.
理解ANOVA的假设对获得准确结果至关重要。
The F-statistic is used to determine the significance in ANOVA.
F统计量用于确定ANOVA中的显著性。
Results from the ANOVA helped us understand the variability in the data.
ANOVA的结果帮助我们理解数据的变异性。
We compared the three groups using ANOVA to see if there were any differences.
我们使用ANOVA比较了三个组以查看是否存在差异。
The null hypothesis in ANOVA states that all group means are equal.
ANOVA中的原假设声明所有组均值相等。
ANOVA is a fundamental tool in statistical analysis.
ANOVA是统计分析中的一项基本工具。
Before performing ANOVA, check if the data meets the required assumptions.
在进行ANOVA之前,检查数据是否满足所需的假设。
The results showed that the treatment had a significant impact on the population.
结果表明,该处理对种群有显著影响。
ANOVA can be applied in various fields such as psychology and medicine.
ANOVA可以应用于心理学和医学等多个领域。
We used software to conduct the ANOVA and interpret the results.
我们使用软件进行ANOVA并解释结果。