From Ramanujan to calculus cocreator Gottfried Leibniz, many of the world's best and brightest mathematical minds have belonged to autodidacts. And, thanks to the Internet, it's easier than ever to follow in their footsteps (or just finish your homework or study for that next big test). With this installment from Internet pedagogical superstar Salman Khan's series of free math tutorials, you'll learn how to work with surveys and samples in general statistics.
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How To: Remember "greater than" & "less than" symbols

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Do long division without a calculator

How To: Find the Percent Given Two Numbers

How To: Find a number given Its percent

How To: Find extra points for a parabola (quadractic equation)

How To: Find a missing coordinate given: coordinate & equation

How To: Find the 100th term in a sequence

How To: Divide small numbers by big numbers

How To: Find the area of a circle when you know the diameter

How To: Find how many toothpicks will be needed to form the nth figure in a sequence

How To: Calculate percent composition for chemistry

How To: Find the slope of a line given 2 points with fractions

How To: Write a slopeintercept equation given an XY table

How To: Find the Slope Given 2 Ordered Pairs

How To: Do normal probability calculations on a calculator

How To: Convert improper fractions to mixed numbers quickly

How To: Find the coordinate of a point

How To: Find and sketch the domain of a multivariable function

How To: Find the length of a segment using the midpoint II

How To: Remember "greater than" & "less than" symbols

How To: Use ">" (greater than) and "<" (less than) symbols

How To: Do long division without a calculator

How To: Find the Percent Given Two Numbers

How To: Find a number given Its percent

How To: Find extra points for a parabola (quadractic equation)

How To: Find a missing coordinate given: coordinate & equation

How To: Find the 100th term in a sequence

How To: Divide small numbers by big numbers

How To: Find the area of a circle when you know the diameter

How To: Find how many toothpicks will be needed to form the nth figure in a sequence

How To: Calculate percent composition for chemistry

How To: Find the slope of a line given 2 points with fractions

How To: Write a slopeintercept equation given an XY table

How To: Find the Slope Given 2 Ordered Pairs

How To: Do normal probability calculations on a calculator

How To: Convert improper fractions to mixed numbers quickly

How To: Find the coordinate of a point

How To: Find and sketch the domain of a multivariable function

How To: Find the length of a segment using the midpoint II
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