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CC1 Chap 8 Vocab
Term | Definition |
---|---|
box plot | a graphic way of showing a summary of data using the median, quartiles, and extremes of the data. |
double-peaked | description of the overall shape of a a data distribution that has 2 peaks |
first quartile | the median of the lower half of an ordered set of data |
histogram | A way of displaying data that is much like a bar graph in that the height of the bars is proportional to the number of elements |
interquartile range (IQR) | a way to measure the spread of data |
maximum | the highest value |
mean | average |
mean absolute deviation | a method of measuring the spread in a set of data by calculating the average distance each data point is from the mean |
measures of central tendency | mean and median |
median | the middle number of an ordered set of data |
minimum | the lowest value |
outlier | a number in a set of data that is much larger or smaller than the other numbers in the set |
quartiles | divide a set of data into four groups of the same size |
range | difference between the largest and smallest values |
rate | A ratio comparing two quantities |
ratio | compares two quantities by division. |
single-peaked | description of the overall shape of a a data distribution that has 1 peak |
skewed | a description of the overall shape of a a data distribution that gradually gets larger or smaller |
statistical quesitons | a question that can be answered by collecting data |
stem-and-leaf plot | a frequency distribution that arranges data into "stems" and "leaves" |
symmetric | a description of the overall shape of a a data distribution that starts high, goes low and ends high |
third quartile | The median of the upper half of an ordered set of data |
uniform | a description of the overall shape of a a data distribution that is steady throughout the graph |