Section outline

  • General

    Collapse all Expand all

  • 统计问题 统计问题 统计 问 问 问 统计 问 统计 问 问 统计 问 统计 问 统计 问 统计 问 统计 问 统计 问 统计 问题

    Introduction to Statistics
    ::统计导言

    Watch the video below for a preview of what statistics is all about.
    ::观看下面的视频, 以预览统计内容。

     

     

    Using what you saw in the video, consider the question: "How tall is the average maple tree?"
    ::使用视频中你所看到的, 考虑一个问题:“平均的木瓜树有多高?”

    Does this question have more than one answer? Do you think this a statistical question? Discuss your ideas with a partner or write your thoughts down on a piece of paper. 
    ::这个问题有不止一个答案吗? 你认为这是一个统计问题吗? 与一个伙伴讨论你的想法或将你的想法写在一张纸上。

    A  statistical question  is a question that has many different, or variable , answers. An example is "How much does a typical cat weigh?" Begin the activities below to practice identifying statistical questions. 
    ::统计问题是一个有很多不同或变数答案的问题。 一个例子是“典型猫的重量有多大? ” 开始下面的活动,以实践识别统计问题。

     

    A Statistical Question - Yes or No?
    ::统计问题 -- -- 是或否?

    Decide whether each of the situations below could yield variable data . 
    ::决定以下每一种情况能否产生可变数据。

     

     

    For which situations in the last question above can you write a statistical question?  Write statistical questions for these situations (there should be at least two).  
    ::以上最后一个问题中的哪些情况您可以写一个统计问题? 为这些情况写统计问题(至少应该写两个)。

    Extension
    ::延长

    Choose one of the questions you wrote. How might you find the answer to this question? What units would you use for the answer? 
    ::选择您写的问题之一 。 您如何找到这个问题的答案 ? 您要使用哪些单位来回答 ?

     

    Pounds of Recycling 
    ::再循环英镑

    Determine  whether the situation could yield variable data. If possible, write a statistical question. 
    ::确定情况是否能够产生可变数据。如果可能,写一个统计问题。

    1. The town council members want to know how much recyclable trash a typical household in town generates each week.  
    ::1. 市议会成员想知道城镇典型家庭每周产生多少可回收垃圾。

    2. Adrian and Casey want to know how much recyclable trash their apartment building generates on a  monthly average in order to  figure out if they recycle enough or produce too much recycling. 
    ::2. Adrian和Casey想知道,他们的公寓楼每月平均产生多少可回收垃圾,以便查明它们回收的足够或回收的过多。

     

    To Be or Not to Be... 
    ::做不做... 做不做...

    Determine whether the question is a statistical or non-statistical question. Explain why it is or is not. Then, identify the units you would use for the answer to the statistical questions.
    ::确定问题是一个统计问题还是非统计问题。 请解释原因。 然后, 请指明您在回答统计问题时会使用的单位 。

     

     

     Summary
    ::摘要

    A statistical question is one that has many different, or variable answers.
    ::统计问题是一个有许多不同或可变答案的问题。

         Example: How many Instagram followers does a typical celebrity have?
    ::例如:典型名人有多少Instagram追随者?

    A non-statistical question is one that has a single answer.
    ::一个非统计性问题是一个只有一个答案的问题。

         Example: How many people are currently on the San Jose Sharks hockey team?
    ::例如:圣何塞鲨鱼冰球队目前有多少人?