*REAL LIFE APPLICATIONS OF GAUSSIAN
DISTRIBUTION*

**IQ scores**

**Heights of males/females**

**Body temperatures**

**Percentile ranks**

**Measurement errors in physical experiments**

*AN ACTIVITY: NORMAL DISTRIBUTION OF MARKS*

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*Using a context close to*

*students’ hearts – that of*

*test/exam marks, to put some*

*real-life meaning to the*

*learning of Normal*

*Distribution*

*• Based on authentic data*

*(Lecture Test 1 marks of 363*

*H2 Mathematics students)*

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*Use your graphing calculator and follow the steps below.*

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*Discuss the implications of such a
bell-curved grading system.*

*What do you think are some of its
advantages and disadvantages?*