NATIONAL JUNIOR COLLEGE

Objective:To use ICT to enhance effective learning of Mathematics topics in possible real life applications

Objective:To use ICT to enhance effective learning of Mathematics topics in possible real life applications

NJC Mathematics Department

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Topic: Correlation & Regression

Target : Arts Students

Task: To investigate whether there is a correlation between heights and shoe sizes

Topic: Correlation & Regression

Target : Arts Students

Task: To investigate whether there is a correlation between heights and shoe sizes

NJC Mathematics Department

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Activity

NJC Mathematics Department

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PROS & CONS

NJC Mathematics Department

NJC Mathematics Department

NJC Mathematics Department

NJC Mathematics Department

1 2 3 4 5 6 7 8 9 10 11 12 13x 5 11 12 11 17 14 19 16 13 0y 9 8 7 7 5 6 3 6 5 9

Sum x 118 Sum x 2̂ 1682 Sum xy 681Sum y 65 Sum y 2̂ 455 Nx 10 correct

Ny 10

Sxx 289.6Syy 32.5Sxy -86

r-value -0.88645663 excel r -0.88645663

b -0.29696133 b' -2.64615385

regression line y on xy= -0.29696133 x + 10.00414

regression line x on yx= -2.64615385 y + 29

y= -0.37790698 x + 10.9593

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Correlation & Regression Calculation

NJC Mathematics Department

For Teachers:Easy checking for feasibility

and validity when settingquestion on Correlation &Regression

For Students: Teachers can design activity

for students to learn to use excel for possible Math applications.