统计分析词汇

能认读、书写并运用统计分析的词汇——平均数、中位数、众数、极差、频数、数据、样本、平均值、图表、表格、图形、饼图、散点图、相关性——并理解每个术语所描述的含义。

Read, write, and use the vocabulary of statistical analysis — mean, median, mode, range, frequency, data, sample, average, chart, table, graph, pie chart, scatter graph, correlation — with understanding of what each term describes

学习证据 / Evidence

• 能正确定义并计算一组小数据的平均数、中位数、众数和极差。
• 能正确使用 'outlier' 来识别不符合整体规律的值，并解释它对平均数的影响。
• 能正确使用 'correlation' 描述散点图中呈现的关系。

• Correctly define and calculate the mean, median, mode, and range of a small data set
• Use 'outlier' correctly to identify a value that doesn't fit the pattern, and explain its effect on the mean
• Use 'correlation' correctly when describing the relationship shown in a scatter graph

评估问题 / Assessment

如果{{name}}查看班级里的一组考试成绩，能不能找出平均数、中位数和极差，并解释每一项分别说明了班级整体表现如何？

If {{name}} looked at a set of test scores from their class, could they find the mean, the median, and the range — and explain what each one tells you about how the class did?