Lawrence Perez, from Saddleback College, and his assistant Charlie, give this introduction to statistics lesson on using the Z tests for the mean. If you don't know about statistics, well, I don't know what to say.
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How To:
Simplify a quadratic formula result
How To:
Use ">" (greater than) and "<" (less than) symbols
How To:
Calculate Faster Than a Calculator
How To:
Find a slope of a straight line with: Ax + By + C = 0
How To:
Find the circumference of a circle
How To:
Find the slope of a line given 2 points with fractions
How To:
Find a number given Its percent
How To:
Solve equations with the order of operations
How To:
Multiple and divide rational expressions
How To:
Figure out and calculate sales tax
How To:
Simplify radical expressions
How To:
Find the volume of a cylinder
How To:
Find the equation of a perpendicular line
News:
Your Answer Is Always 1 Try It
How To:
Multiply & Divide Numbers (Basic Elementary Math)
How To:
Subtract a mixed number from a proper fraction in basic math
How To:
Find the Slope Given 2 Ordered Pairs
How To:
Find extra points for a parabola (quadractic equation)
How To:
Find the perimeter & area of a complex figure
How To:
Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle
How To:
Simplify a quadratic formula result
How To:
Use ">" (greater than) and "<" (less than) symbols
How To:
Calculate Faster Than a Calculator
How To:
Find a slope of a straight line with: Ax + By + C = 0
How To:
Find the circumference of a circle
How To:
Find the slope of a line given 2 points with fractions
How To:
Solve equations with the order of operations
How To:
Find a number given Its percent
News:
Your Answer Is Always 1 Try It
How To:
Multiple and divide rational expressions
How To:
Simplify radical expressions
How To:
Find the equation of a perpendicular line
How To:
Figure out and calculate sales tax
How To:
Find the volume of a cylinder
How To:
Multiply & Divide Numbers (Basic Elementary Math)
How To:
Subtract a mixed number from a proper fraction in basic math
How To:
Find the Slope Given 2 Ordered Pairs
How To:
Find extra points for a parabola (quadractic equation)
How To:
Find Leg Lengths and Hypotenuse of a 45 45 90 Triangle
How To:
Solve word problems involving direct variation
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