Lesson Notes By Weeks and Term v4 - SHS 3
STATISTICAL REASONING AND ITS APPLICATION IN REAL LIFE
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STATISTICAL REASONING AND ITS APPLICATION IN REAL LIFE
Download the Lessonotes Mobile Ghana app for faster lesson access on Android and iPhone.
Subject: Mathematics
Class: SHS 3
Term: 2nd Term
Week: 17
Grade code: 3.4.1.LI.2
Strand code: 4
Sub-strand code: 1
Content standard code: 3.4.1.CS.2
Indicator code: 3.4.1.LI.2
Theme: MAKING SENSE OF AND USING DATA
Subtheme: STATISTICAL REASONING AND ITS APPLICATION IN REAL LIFE
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In our daily lives in Ghana, we are constantly surrounded by data. We see it on the news when they discuss the inflation rate, in sports analysis on TV3 when they compare players for the Black Stars, and on social media when polls are shared about trending topics. Simply reading the numbers is not enough. This lesson is about developing the critical skill of statistical reasoning. It is the ability to look at data presented in a chart, graph, or article, understand its deeper meaning, ask critical questions, and draw sensible conclusions. This skill is essential for making informed decisions as a student, a professional, and a responsible citizen.
This lesson moves beyond calculating the mean or drawing a bar chart. It focuses on the thinking process that comes *after* the data is presented. We can break this process down into a 4-step framework: Describe, Analyse, Infer/Conclude, and Recommend/Critique. Step 1: Describe (What I See)
This is the most basic level of interaction with data. You are simply stating the obvious facts presented in the chart or graph. "Which bar is the tallest?" "What percentage does this slice of the pie chart represent?" "What does the title of the graph say?" "What are the labels on the x-axis and y-axis?"
Example: Using the "galamsey" context from the NaCCA exemplar.
Let's imagine the data was presented in this bar chart: Description: "The chart shows the educational background of galamsey operators in Kenyasi." "The vertical axis shows the number of respondents, and the horizontal axis shows the level of education." "The bar for 'JHS/MSLC' is the highest, with 120 respondents." "The bar for 'Tertiary' is the lowest, with only 10 respondents." "Primary school has 50 respondents, and SHS/O'Level has 20 respondents." Step 2: Analyse (What It Means)