This is a video tutorial in the Education category where you are going to learn how to compare 2 distributions with the ZScore formula. In this example Doug's class has X bar as 71 and a standard deviation of 4. Corey's class has X bar as 68 and a standard deviation of 11. If both Doug and Corey beat the class average and have the same standard score, will Doug have a lower grade than Corey? If both of them have a standard score of 1.5, then Doug will get 77 marks and Corey will get 84.5 marks. So, the answer to the question is 'Yes". You can watch the video for the working out of the marks.
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How To: Remember "greater than" & "less than" symbols

How To: Find a number given Its percent

How To: Calculate Faster Than a Calculator

How To: Convert between diameter and radius

How To: Calculate percent composition for chemistry

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

How To: Find outliers using the Zscore method

How To: Solve problems involving functions in algebra

How To: Convert fractions to decimals quickly and easily

How To: Plot absolute values on a number line

How To: Find the Percent Given Two Numbers

How To: Divide small numbers by big numbers

How To: Calculate the area of a parallelogram

How To: Find the Slope Given 2 Ordered Pairs

How To: Calculate weight if given the mass

How To: Evaluate square roots

How To: Use an asymptote to find the equation of a hyperbola

How To: Apply the 5th Law of Exponents

How To: Find patterns in arithmetic sequences

How To: Solve rational equations easily
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