Class Width TI-84 | TI-83 Example


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Joestat wants you to use the class width best estimate formula on your TI84 or TI83 calculator using the following data set.
{1, 2, 5, 4, 9, 4, 3, 1, 4, 6, 8, 7, 9, 6, 4, 8, 2, 1, 8, 7}

  • Enter the data into your TI-83 or calculator
    Instructions are available on the how Create a List TI-84 | TI-83.
  • Calculate the Class Width Formula using your TI83 or T84 calculator.
    (max(L1)-min(L1))/dim(L1)
  • (max(L1)
    [ ( ] | [2ND] | [STAT] | [RIGHT] | [RIGHT] | [ 2 ] | [2ND] | [ 1 ] | [ ) ]
  • -min(L1))
    [ - ] | [2ND] | [STAT] | [RIGHT] | [RIGHT] | [ 1 ] | [2ND] | [ 1 ] | [ ) ] | [ ) ]
  • /dim(L1)
    [ / ] | [2ND] | [STAT] | [RIGHT] | [ 3 ] | [2ND] | [ 1 ] | [ ) ] | [ENTER]

Result:
TI84 Class Width Calculation Screenshot = .4

 

Congratulations, in this example you calculated the class width using the TI83 or TI84 calculator.

 


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Last Modified on September 7, 2013 by JoeStat

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