TI-30XIIS



TI-89

|Entering Data (single list of data points each with frequency 1) |Entering Data (from a frequency distribution) |

|Press [pic] [pic] 6:Data/Matrix Editor |Press [pic] [pic] 6:Data/Matrix Editor |

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|[pic]2:Open [pic] |[pic]2:Open [pic] |

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|Clear previous data: |Clear previous data: |

|While in the column c1 press [pic] [pic] (F6:Util) [pic] |While in the column c1 press [pic] [pic] (F6:Util) [pic] |

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|Enter the data |Press [pic] |

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|Input the first number on the first line of c1 press [pic] |While in the column c2 press [pic] [pic] (F6:Util) [pic] |

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|Input the second number on the second line of c1 press [pic] |Enter the data |

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|Continue until you have entered all the data |Input the first number on the first line of c1 press [pic] |

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| |Input the second number on the second line of c1 press [pic] |

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| |Continue until you have entered all the data |

|Calculating mean and standard deviation | |

|Press [pic] (F5:Calc) |Enter the frequencies |

|You will see Calculation Type …… | |

|If it does not say OneVar( |Input the first frequency on the first line of c2 press [pic] |

|Press [pic] [pic] 1:OneVar | |

| |Input the second frequency on the second line of c2 press [pic] |

|Press [pic] (you should now be in the box next to x………………) | |

|Press [pic] |Continue until you have entered all the frequencies |

|Type c1 | |

|Press [pic] |Calculating mean and standard deviation |

| |Press [pic] (F5:Calc) |

|In the middle of the screen you will see |You will see Calculation Type …… |

|Freq and Categories? |If it does not say OneVar( |

|If it does not say NO |Press [pic] [pic] 1:OneVar |

|Press [pic] [pic] 1:NO | |

| |Press [pic] (you should now be in the box next to x………………) |

| |Press [pic] |

|Press [pic] |Type c1 |

| |Press [pic] |

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| |In the middle of the screen you will see |

| |Freq and Categories? |

| |If it does not say YES |

| |Press [pic] [pic] 2:YES |

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| |Press [pic] (you should now be in the box next to freq………………) |

| |Press [pic] |

| |Type c2 |

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| |Press [pic] [pic] |

Reading mean and standard deviation

[pic] is the mean.

[pic] is the standard deviation.

[pic]

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ENTER

F5

F1

2nd

alpha

APPS

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