Topic 4 - Data Flashcards
1
Q
median
A
middle number when i order
2
Q
mode
A
number that appears the most
3
Q
range
A
biggest - smallest
4
Q
what not to forget in a steam and leaf diagram
A
a key
5
Q
what do you do for a frequency pologon?
A
find the midpoint
6
Q
on a histogram, what does frequency represent?
A
the area of the bar
7
Q
on a histogram:
x - axis
y - axis
A
= class interval
= frequency
————————-
width of class interval
8
Q
mean
A
how many
9
Q
what do you do for a cumulative frequency column?
A
add up as you go along
10
Q
interquartile range
A
upper quartile - lower quartile
11
Q
where is the median, LQ and UQ?
A
half way been the CF = median
half way between lowest and median = LQ
half way between the highest and median = UQ
