3.1 Measures of Center Flashcards
1
Q
Mean
A
Average. Add data values and divide by the number of values.
2
Q
Median
A
Value in the middle when data is arranged in ascending order.
3
Q
Mode
A
Value that occurs the most (if all values have same frequency, then there is no mode).
4
Q
Resistant (statistics)
A
A statistics is resistant if its value is not much affected by extreme values in the data set.
5
Q
Relationship of Mean and Median - Histogram Skewed to the Right
A
Mean is noticeably greater than the median.
6
Q
Relationship of Mean and Median - Histogram Skewed to the Left
A
Mean is noticeably less than the median
7
Q
Relationship of Mean and Median - Histogram Approximately Symmetric
A
Mean is approximately equal to the median.
8
Q
Weighted Mean
A
A mean in which some numbers count more than others.
