Statistics using a Casio fx-83GT

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Presentation transcript:

Statistics using a Casio fx-83GT To have frequency available in a statistical table you must turn on the “Frequency” option

Standard deviation (σ) using a Casio fx-83GT 1. Put calculator into statistics mode for data with 1 variable : Find the standard deviation of the following frequency table Variable 1 2 3 4 Frequency 9 6 2. Enter the data into the table: Press after entering each number. Use the Replay button to move around the table X FREQ 1 2 4 3 9 6 When table is correct press Note: the display now reads “0” 3. Get the standard deviation Standard Deviation = 0.836

Correlation (r) using a Casio fx-83GT 1. Put calculator into statistics mode for data with 2 variables : Find the correlation between the following bi-variate data X 1 2 3 Y 6 4 2. Enter the data into the table: Press after entering each number. Use the Replay button to move around the table When table is correct press Note: the display now reads “0” X Y FREQ 1 6 2 3 3. Get the correlation Correlation: r = -1