Acadlly 512JSS1 - SS3 Lesson Notes
Study & CBT Exams

STATISTICS

Statistics – numerical figures collected systematically and arranged for a particular purpose.

Statistical data-information presented inform of numbers e.g.

  1. No. of students in a school
  2. Mean daily temperature of a place
  3. Amount of milk produced daily from a farm
  4. Amount of money earned from exports annually.

Statistical methods-techniques of collecting, recording, analyzing, presenting and interpreting statistical data.

Significance of Statistics

  1. Illustrates relationship between 2 or more varying quantities e.g. beans production and acreage under cultivation.
  2. Summarizes geographical information which saves time and space.
  3. Makes comparison between components e.g. province with the highest number of people.
  4. Prediction of future trends of weather and climate.
  5. Prediction of natural disasters e.g. droughts and floods.
  6. Planning for provision of social amenities e.g. hospitals and schools.

Types of Statistical Data

primary Data

First hand or original information from the field e.g.

Mean daily temperature from a weather station

Enumeration/census

Secondary/Derived Data

2nd hand information available in stored sources compiled by other researchers e.g.

  1. Textbooks
  2. Reference books
  3. Maps
  4. Video/audio tapes
  5. Textbooks
  6. Newspapers
  7. Magazines
  8. Census reports
  9. Slides
  10. Census reports
Copyright Notice
Content © 2026 Acadlly.com.
Unauthorized copying, reproduction, redistribution or republication of this lesson note without written permission is prohibited.

Leave a Reply

Your email address will not be published. Required fields are marked *

Acadlly Learning
📚 Enjoying this lesson?
Get our FREE OFFLINE educational apps and study offline anytime.
Download Our Free Offline Apps
📱 Apps