STATISTICS
(PART 1)
BY
OA ESAN
WALTER SISULU UNIVERSITY
,INTRODUCTION
• Statistics deals with how data is:
(a) collected
(b) grouped together in a suitable way for graphical representation a
interpreted mathematically
Bar chart graph
Pie chart graph
Straight line graph
, Discrete Data
• Values restricted to only certain, exact distinct numbers (but
measurements)
• For example, a number of students can be 0, 1, 2,3,… but not -3, 21
3.7,…
(PART 1)
BY
OA ESAN
WALTER SISULU UNIVERSITY
,INTRODUCTION
• Statistics deals with how data is:
(a) collected
(b) grouped together in a suitable way for graphical representation a
interpreted mathematically
Bar chart graph
Pie chart graph
Straight line graph
, Discrete Data
• Values restricted to only certain, exact distinct numbers (but
measurements)
• For example, a number of students can be 0, 1, 2,3,… but not -3, 21
3.7,…