38 語中 1～38番目
| 問題 | 解答▲ | 出題数 | 習得度 | 苦手度 |
|---|---|---|---|---|
| 25% of data, one quater of the list | 1st quartile | - | - | - |
| (M) the median, 50% of data | 2nd quartile | - | - | - |
| 75% of data or observations | 3rd quartile | - | - | - |
| Distance between the first and third quartile | Interquartile range | - | - | - |
| science of data | Statistics | - | - | - |
| helps us to compare two distributions, ex: male vs. female | back-to-back stemplot | - | - | - |
| helps us compare the sizes of the data in a variable | bar chart | - | - | - |
| records which of several groups or categories an individual | categorical variable | - | - | - |
| of a variable tells us what values the variable takes and ho | distribution | - | - | - |
| quick way to visualize a data set, includes a horizontal lin | dotplot | - | - | - |
| examination of data in order to describe their main features | exploratory data analysis | - | - | - |
| # of percentages | frequency | - | - | - |
| most common graph of distributions with one quantitative var | histogram | - | - | - |
| object described by a set of data, values | individual | - | - | - |
| look for patterns & deviations | interpreting histograms | - | - | - |
| the final digit(s), the horizontal part of the graph | leaf | - | - | - |
| (M), (Q2), middle; arrange in increasing order; if # of data | median | - | - | - |
| sensitive to the influence of extreme observations, ex: mean | nonresistant | - | - | - |
| an important kind of deviation from the overall pattern | outliers | - | - | - |
| fall outside the overall pattern of the graph | outliers | - | - | - |
| distribution of a variable | pattern of variation | - | - | - |
| helps us see what part of the whole each group forms | pie chart | - | - | - |
| takes numerical values for which it makes sense to do arithm | quantitative variable | - | - | - |
| mark out the middle half of data | quartile | - | - | - |
| largest data minus smallest data; Dl-Ds=r | range | - | - | - |
| not sensitive to the influence of extreme observations, ex: | resistant | - | - | - |
| the data so that the final digit is suitable as a leaf | round | - | - | - |
| length of distribution that extends the most | skew | - | - | - |
| to double the # of stems when all the leaves would otherwise | split stems | - | - | - |
| measured by range | spread of variability | - | - | - |
| consists of all but the righmost digit (vertical part of the | stem | - | - | - |
| for small data sets, quick to make, presents detailed inform | stemplot | - | - | - |
| roughly the same, mirror image | symmetric | - | - | - |
| of a variable plots each observation against the time it was | time plot | - | - | - |
| the horizontal axis on a time plot | time scale | - | - | - |
| long-term upward/downward movement over time | trend | - | - | - |
| characteristics of an individual | variable | - | - | - |
| the vertical axis on a time plot | variable of interest | - | - | - |
38 語中 1～38番目
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