Alternative Equation Formats

The equation on this page is available in multiple formats. Depending on your browser, some formats might not render correctly.

MathML

Y k = X 1 + X 2 + . . . + X k k

MathML rendered as SVG

table with 1 row and 1 column , row1 column 1 , y sub k , equals . fraction x sub 1 , plus , x sub 2 , plus . . . plus , x sub k , over k end fraction , end table
Last updated: April 14, 2026