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 |
| | |
|[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] |
| | |
|Enter the data |Press [pic] |
| | |
|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 |
| | |
|Continue until you have entered all the data |Input the first number on the first line of c1 press [pic] |
| | |
| |Input the second number on the second line of c1 press [pic] |
| | |
| |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] |
| | |
| |In the middle of the screen you will see |
| |Freq and Categories? |
| |If it does not say YES |
| |Press [pic] [pic] 2:YES |
| | |
| |Press [pic] (you should now be in the box next to freq………………) |
| |Press [pic] |
| |Type c2 |
| | |
| |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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