MEASUREMENT & DATA: evaluate the info in data sets, tables, charts, graphs using statistics Flashcards
1
Q
mean
A
the avg
2
Q
median
A
middle number in a set or list
3
Q
mode(s)
A
the # that occurs most often
4
Q
absolute difference
A
the absolute value of the difference of 2 numbers
5
Q
standard deviation
A
describes how data varies from the mean
6
Q
high standard deviation
A
indicates data is spread out
7
Q
low standard deviation
A
majority of values are close to the mean
8
Q
unimodel peak
A
a single clear peak
9
Q
bimodal peaks
A
2 clear picks
10
Q
bell-shaped unimodel peak
A
symmetric distribution has a single peak at the center
aka normal distrubution
11
Q
skewed right
A
distributions with fewer observations on the right
toward higher values
12
Q
skewed left
A
distributions with fewer observations on the left
toward lower values
13
Q
uniform distribution
A
data set are spread equally across the range of the distribution
no clear peaks
