扫描二维码，直接登录
题库 / GMATLA-GI-4
The graph to the left shows the results of a survey of Asian Americans and their perspective on life in America. Respondents who replied "Don't know" are not included in the chart. Note the lifestyle aspect of Strength of family ties provides an outlier data point relative to other lifestyle categories.
A) The average (arithmetic mean) of the percentage of respondents that said a particular lifestyle aspect was better in their country of origin waspercentage points higher with the inclusion of the skewed outlier data point than it was without the inclusion of the skewed outlier data point.
B) On average, the number of respondents who did not respond for each of the lifestyle categories was
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
An outlier is "a data point on a graph or in a set of results that is very much bigger or smaller than the next nearest data point."。此处是最后一项结果偏离最大，且是skewed偏离（负向偏离）。排除掉这个选项之后，其他6项中认为他们祖国比美国好的平均人数是17.28，算上这个选项的平均值是10.83，两者差额是6.4。这里其实问的是，排除掉一个明显偏离的选项前后，平均数的变化。
登录 或 注册 后可以参加讨论