NormCalc

# NormCalc - Normal Curve Calculations The Empirical Rule...

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Let’s return to the problem of determining the percentage of the scores that fall between 500 and 700. First calculate the z-scores for each of the scores 500 and 700. The calculations are shown in the sketch in Figure 3. After finding the z-scores we need to determine the percentage of SAT scores between 500 and 700. To do this we use a command in the TI-83 calculator. The command is normalcdf and is found under the DISTR menu which is accessed by 2 nd VARS. Figure 4 shows the shaded area
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## This note was uploaded on 10/18/2011 for the course STA 2023 taught by Professor Shaw during the Fall '11 term at Valencia.

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NormCalc - Normal Curve Calculations The Empirical Rule...

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