In this tutorial, we learn how to know the difference: census, study, & sample survey. The census is when everyone's opinion is needed. An example is when you will see census studies happen throughout the year from the government seeing how many people live in one household. A study is when you only need the opinion of experts. This can be when companies are releasing a new product and need the opinions of doctors or dentists about it. A sample survey is when a few people's opinions are enough. This is just a sample of other people and doesn't represent everyone else.
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How To: Remember "greater than" & "less than" symbols

How To: Find the Volume of Composite Figures (Also Called Composite Shapes)

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

How To: Calculate the area of a parallelogram

How To: Calculate Faster Than a Calculator

How To: Find the area & perimeter of triangles & squares

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How To: Figure out the domain & range of a piecewise function

How To: Find the Percent Given Two Numbers

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How To: Be a human calculator

How To: Use a TI89 to calculate nCr

How To: Evaluate functions on a calculator TI89

How To: Find the area of a parallelogram using geometry

How To: Find the area of a triangle when given 2 sides & angle

How To: Convert Fahrenheit to Celsius with a formula

How To: Solve for the missing ratios or proportions

How To: Find the volume of a swimming pool

How To: Derive the equation of a straight line
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