MATH 221 LAB 10 FA 09 - M ATH 221 Student Name Instructor...

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MATH 221 Statistics for Decision Making LAB 10 Student Name Section © Copyright 2009 by P.E.P. Page 1 of 2 Instructor Due Date PROJECT The Normal Distribution Curve 100 Points _____ your score Objective To use worksheet functions to simulate normal curve areas. PROJECT DESCRIPTION Using MS Excel, build a worksheet that involves the Normal probability distribution and its graph. Information About This Project MS Excel can be used to simulate the graph of the so - called bell - shaped curve. Steps to Complete this Project STEP 1 Open MS Excel and Design the Normal Curve Worksheet Open MS Excel and copy the worksheet below onto your computer. A B C D 1 - 3.0 - 3.0 2 - 2.5 - 2.5 3 - 2.0 - 2.0 4 - 1.5 - 1.5 5 - 1.0 - 1.0 6 - 0.5 - 0.5 7 0.0 0.0 8 0.5 0.5 9 1.0 1.0 10 1.5 1.5 11 2.0 2.0 12 2.5 2.5 13 3.0 3.0 In cell B1, type the following formula and press enter. = ( 1 / ( SQRT ( 2 * PI ( ) ) ) * EXP ( - ( 1 / 2 ) * A1 ^ 2 ) ) Drag - and - fill this formula from cell B1 to cell B13. The formula that you have entered returns the values corresponding to normal curve probabilities when the mean μ is 0 and the standard deviation σ is 1 .
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