To open a list with the actor's age data loaded, right-click here and choose "Save Target As" to download the file to your computer. Then find the downloaded file and send it to your calculator. For instructions on how to connect your calculator to your computer and transfer a file, click here.
NOTE: This dataset is fairly small (n=32). It may be just as fast to enter the data yourself directly in L1.
The data for actor's age are stored in L1.
Now use the TI calculator to calculate the numerical measures of a distribution:
Descriptive Statistics including five-number summary
STAT/CALC/1:1-Var Stats
. Now you have to specify which list the data are in. Since the age data are in L1, press 2ND/1
to choose L1. Note that if you don't specify a particular list, the default list that will be used is L1.FreqList
blank.Calculate
and Press ENTER
.x-bar | sample mean. This value is also the population mean if the data in the list are population data. |
Σx | sum of the x-values |
Σx2 | sum of the squared x-values |
Sx | sample standard deviation |
σx | population standard deviation |
↓n | sample size. The down arrow indicates that you can use the down arrow to view remaining statistics |
minX | minimum data value |
Q1 | first quartile |
Med | median |
Q3 | third quartile |
maxX | maximum data value |