Lesson Notes By Weeks and Term v4 - SHS 1
ORGANISING, REPRESENTING AND INTERPRETING DATA
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ORGANISING, REPRESENTING AND INTERPRETING DATA
Download the Lessonotes Mobile Ghana app for faster lesson access on Android and iPhone.
Subject: Additional Mathematics
Class: SHS 1
Term: 2nd Term
Week: 13
Grade code: 1.4.1.LI.2
Strand code: 4
Sub-strand code: 1
Content standard code: 1.4.1.CS.1
Indicator code: 1.4.1.LI.2
Theme: HANDLING DATA
Subtheme: ORGANISING, REPRESENTING AND INTERPRETING DATA
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In our daily lives in Ghana, we are constantly surrounded by information, or *data*. From the results of the WASSCE to the prices of goods at Makola Market, or even the different political parties competing in an election, data helps us understand the world and make better decisions. This lesson introduces the fundamental ways we classify this data. Understanding these classifications is the first step in being able to organise, analyse, and interpret information correctly, a skill useful in fields like business, medicine, engineering, and even sports.
Introduction: What is Data? Data is simply a collection of facts, figures, or information from which conclusions can be drawn. When we conduct a survey, perform an experiment, or take records, we are collecting data.
The first major step in handling data is to identify its type. All data can be broadly divided into two main categories:
A. Qualitative Data (Categorical Data) This type of data describes qualities or characteristics. It is collected through observations and interviews and is non-numerical in nature. Think of it as data that describes "what kind" or "what type." Characteristics: Cannot be measured with numbers. Represents categories or labels. Answers questions like "what type?" or "which category?" Ghanaian Examples: The regions of Ghana (e.g., Ashanti, Volta, Greater Accra). The gender of students in your class (Male, Female). Your favourite mobile network (MTN, Vodafone, AirtelTigo). The political parties in Ghana (NPP, NDC, CPP, etc.).
B. Quantitative Data (Numerical Data) This type of data can be measured and expressed numerically. It represents a quantity or an amount. Think of it as data that answers "how much?" or "how many?". Characteristics: Expressed as numbers. Can be used in mathematical calculations (addition, subtraction, etc.). Represents measurements or counts. Ghanaian Examples: The number of students in each SHS in your district. The daily temperature in Accra in degrees Celsius. The price of a bag of cement in Ghana Cedis (GH₵). The WASSCE scores of a student.