Question2 The following data relate to the percentage unemployment and percentage change in wages over several years. % Unemployment (x) % Change in wages (y) 1.6 5.0 3.2 2.7 2.2 2.3 1.7 1.6 2.1 4.1...

Question2<br>The following data relate to the percentage<br>unemployment and percentage change in wages<br>over several years.<br>% Unemployment<br>(x)<br>% Change in wages<br>(y)<br>1.6<br>5.0<br>3.2<br>2.7<br>2.2<br>2.3<br>1.7<br>1.6<br>2.1<br>4.1<br>2.1<br>2.7<br>2.6<br>2.9<br>1.7<br>4.6<br>3.5<br>4.4<br>1.5<br>1.6<br>(a) Calculate the product-moment correlation<br>coefficient between x and y.<br>(Use Ex = 18.9, Ey = 35.2, Ex? = 37.01,<br>Ey? = 132.22, Exy = 64.7)<br>

Extracted text: Question2 The following data relate to the percentage unemployment and percentage change in wages over several years. % Unemployment (x) % Change in wages (y) 1.6 5.0 3.2 2.7 2.2 2.3 1.7 1.6 2.1 4.1 2.1 2.7 2.6 2.9 1.7 4.6 3.5 4.4 1.5 1.6 (a) Calculate the product-moment correlation coefficient between x and y. (Use Ex = 18.9, Ey = 35.2, Ex? = 37.01, Ey? = 132.22, Exy = 64.7)

Jun 03, 2022

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Question2 The following data relate to the percentage unemployment and percentage change in wages over several years. % Unemployment (x) % Change in wages (y) 1.6 5.0 3.2 2.7 2.2 2.3 1.7 1.6 2.1 4.1...

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