Need to know how to use your Texas Instruments graphing calculator for your college math or statistics class? You're in luck... watch this video tutorial to see how to calculate deviation with a TI-83 graphing calculator.

Calculating the mean and standard deviation of grouped data.

Consider the frequency table of the number of runs scored by the 1996 New York Yankees.

Determine the mean and the standard deviation for the number of runs scored per 1996 New York Yankee. NOTE: Class Marks are also called Class Midpoints.

## 1 Comment

IS ANYONE ELSE HAVING TROUBLE WITH THE FREQUENCY TABLES?

one helpful thing with the calculator that I learned at the Math Lab is that you input the frequency data and the values in L1 and L2 then AT THE TOP OF L3, (where you go with your cursor to erase former data) tell the calculator L1 X L2 -- it automatically calculates the X - Xbar column for you --

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