📚 GCSE Edexcel Statistics: Vocabulary & Terminology Quick Memorisation Guide | GCSE Edexcel 统计：词汇术语速记指南
Mastering the precise terminology of GCSE Edexcel Statistics is your key to better performance in both coursework and exams. This guide provides a structured, bilingual walkthrough of core vocabulary, pairing each term with a concise English definition and its Chinese equivalent to accelerate memorisation. Where helpful, memory hooks and visual cues are included to reinforce your learning.
掌握 GCSE Edexcel 统计的准确术语是你在课程作业和考试中取得更好成绩的关键。本指南通过结构化的双语培训，将核心词汇配以简洁的英文定义和中文对应，加速记忆。在适当之处，还加入了记忆辅助和视觉联想，以巩固你的学习。
1. Types of Data | 数据类型
Qualitative data describes qualities or categories that cannot be measured with numbers, such as eye colour, brand names or types of transport. It is often non-numerical and is used when we classify items into groups.
定性数据描述无法用数字衡量的性质或类别，如眼睛颜色、品牌名称或交通方式。它通常是非数值型的，用于将事物分组归类。
Quantitative data consists of numerical measurements or counts. It can be further split into discrete data (countable values like number of siblings, shoe size) and continuous data (measurable values that can take any number within a range, such as height, weight, time).
定量数据由数值测量或计数组成。可进一步分为离散数据（可数的值，如兄弟姐妹数量、鞋码）和连续数据（可在一定范围内取任意值的测量值，如身高、体重、时间）。
Related terms: Categorical data (same as qualitative) and ordinal data, which can be ordered but not measured precisely, e.g., satisfaction ratings (poor, good, excellent). Primary data is collected first-hand by you; secondary data is gathered from existing sources.
相关术语：分类数据（同定性
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