ecology - mean, median and mode Flashcards
1
Q
how to calculate mean?
A
add all numbers together and divide by number of numbers
DO NOT COUNT ANOMALOUS RESULTS
2
Q
what are anomalous results?
A
do not fit the pattern + shouldn’t be included in the mean
3
Q
median?
A
order numbers lowest to highest then select medium number. if there are 2 middle numbers, take a mean of 2 values
4
Q
mode?
A
must common number. if all numbers are equal there is no mode