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角度资料的统计分析不同于一般计量资料。本文在郭祖超法的基础上提出一种角度资料统计分析方法。利用函数计算器可以简便而精确地计算角度资料的均数、标准差和95%可信限,并可对角度资料进行正态性检验及两个角度均数的显著性测验。主要公式为: θ=tan~(-1)(∑sinθ/∑cosθ) S=123×(-log(-∑sinθ/∑cosθ))~(1/2) t=|θ_1-θ_2|/((n_1-1)S_1~2+(n_2-1)S_2~2/n_1+n_2-2)~(1/2)×(1/n_1+1/n_2
The statistical analysis of angle data is different from the general measurement data. Based on Guo Zuchao’s method, this paper presents a method of statistical analysis of data. Using the function calculator, the average, standard deviation and 95% confidence limits of the angle data can be easily and accurately calculated, and the normality test of the angle data and the significance test of the mean of the two angles can be performed. The main formula is as follows: θ = tan -1 Σ sin θ / Σ cos θ S = 123 × (-log (-Σ sin θ / Σ cos θ)) (1/2) t = | θ_1 -θ_2 | / (n_1-1) S_1 ~ 2 + (n_2-1) S_2 ~ 2 / n_1 + n_2-2) ~ (1/2) × (1 / n_1 + 1 / n_2