📚 Year 7 AQA Statistics: Key Points for Practical Assessments | 7年级AQA统计：实践考核要点
Practical assessments in Year 7 Statistics test your ability to design, carry out, and evaluate a statistical investigation. You will need to collect data, present it clearly, and draw sensible conclusions.
7年级统计学的实践考核检验你设计、实施和评估统计调查的能力。你需要收集数据，清晰地展示数据，并得出合理的结论。
1. Defining a Clear Aim | 明确的目标
Always start by stating a clear aim for your investigation. For example: “To investigate whether boys in Year 7 are taller than girls.” A focused aim guides your entire project.
始终先说明你调查的明确目标。例如：“调查7年级男孩是否比女孩高。”一个明确的目标能指导你的整个项目。
Your aim should be a simple statement that tells the reader what you are trying to find out and why it is interesting.
你的目标应该是一个简单的陈述，告诉读者你想查明什么，以及为什么这有趣。
2. Formulating a Hypothesis | 制定假设
A hypothesis is an educated guess about what you expect to find. It is often written as an “If… then…” statement. For instance: “If we compare heights, then boys will be taller on average.”
假设是你对自己期望发现的合理猜测。它通常写成“如果……那么……”的形式。例如：“如果我们比较身高，那么男孩的平均身高会更高。”
Your investigation will then test this hypothesis. You do not need to be right; it is about testing your idea fairly.
然后你的调查会检验这个假设。你不需要做到正确；关键在于公平地检验你的想法。
3. Identifying Variables |
Published by TutorHao | Year 7 统计 Revision Series | aleveler.com
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