MATH 151.003
Notes
1/12/2006
Introduction to statistics, frequency tables, and histograms 4 steps to understanding data: 1. 2. 3. 4. Gathering data: Example experiment:
population –
sample –
sample size –
variable –
data –
data set –
page 1 of 3
MATH 151.003 Summarizing data with tables or pictures: frequency table –
Notes
1/12/2006
range –
5 steps to make a frequency table: 1.
2.
3.
4.
5.
Frequency table:
Relative frequency table:
page 2 of 3
MATH 151.003 Histograms: class boundaries –
Notes
1/12/2006
Frequency Histogram:
Relative Frequency Histogram:
Some notes: 1.
2.
3.
4.
page 3 of 3