Zusammenfassung der Ressource
Measures of central Tendency
- Is a value at the center or middle of a data set.
- Arithmetic mean
- Set of data is the measure of center found by
adding the data values and dividing the total by
the number of data values.
- Median
- Is the measure of center that is
the middle value when the
original data values are arranged
in order of increasing (or
decreasing) magnitude.
- Mode
- Is the value that
occurs with the
greatest frequency
- Bimodal
- When two data values
occur with the same
greatest frequency
- Multimodal
- When more than two
data values occur with
the same greatest
frequency
- No mode
- When no data value is repeated
- Midrange
- Is the measure of center that is the value
midway between the maximum and minimum
values in the original data set.