AP Statistics Chapter 1 Flashcards
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7297097244 | Individuals | The objects described by a set of data. They may be people, animals, or things. | 0 | |
7297100503 | Variable | any characteristic of an individual | 1 | |
7297104144 | Categorical Variable | places an individual into one of several groups or categories | 2 | |
7297106578 | Quantitative Variable | takes on numerical values that make sense to average | 3 | |
7297109998 | Distribution | tells us what values a variable takes on and how often it takes them | 4 | |
7297116847 | Marginal Distribution | The distribution of one of the categorical variables in a two-way table of counts is the distribution of values of that variable among all individuals described by the table. | 5 | |
7297140840 | Conditional Distribution | The distribution of the row variable for each value of the column variable or the column variable for each value of the row variable. | 6 | |
7297150451 | side-by-side bar graph | Graph used to display conditional distributions | 7 | |
7297153315 | Dotplot | graph used to display small quantitative data sets with a small range | 8 | |
7297159681 | symmetric | right and left sides of graphs are approximately mirror images of each other | 9 | |
7316459312 | skewed to the right | right side of the graph is much longer than the left side | 10 | |
7316463037 | skewed to the left | left side of the graph is much longer than the right side | 11 | |
7316465349 | unimodal | one distinct peak in the graph | 12 | |
7316468477 | bimodal | two distinct peaks in the graph | 13 | |
7316471309 | multimodal | more than two distinct peaks in the graph | 14 | |
7316474806 | stemplot | simple graph for small data sets that retains the actual data values | 15 | |
7316484258 | histogram | quantitative graph that organizes the data into equal sized blocks | 16 | |
7316492849 | mean (x-bar) | Tells us what the amount would be if the total was shared evenly amongst the data values. | 17 | |
7316498143 | median (M) | The middle number of an ordered list of data. | 18 | |
7316507828 | Resistant | A measure that is not affected by outliers | 19 | |
7316515744 | Q1 | Median of the lower half of data | 20 | |
7316517190 | Q3 | Median of the upper half of data | 21 | |
7316518706 | Minimum | lowest data value | 22 | |
7316520225 | Maximum | highest data value | 23 | |
7316521556 | IQR | Range of the middle 50% of data | 24 | |
7316524195 | Standard Deviation | Average distance from the observations and their mean | 25 |