Integers Cheat Sheet
ADVERTISEMENT
1Cheat Sheet
MEAN:
“ I n t h e b a l l p a r k ” a n u m b e r t h a t i s
The sum of the data items
close to a group of other numbers.
divided by the number of
items.
“ Ou t l i e r ” a n u m b e r t h a t i s n o t i n t h e
ball park.
Ex. Given: 4, 5, 6, 7, 8
4 + 5 + 6 + 7 + 8 = 30 = 6
5
5
Median:
1. Order the list of data
items from smallest to
largest.
2. Calculate the median
a) If there is an odd
n u m b e r o f d a t a i t e m s …
choose the number
midway through the list
of numbers.
b) If there is an even
number of dat a i t e m s …
find the mean of the
two numbers at the
center of the list.
Mode
Identify the data item(s) that
repeats most often. This is
(they are) the mode item(s).
Ex. { 2, 2, 4, 5, 6 }
mode is 2
{ 4, 4, 7, 9, 9 }
mode items are
4 and 9
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education