STATISTICS
The following data is a set of marks for 7 students out of 40.
35, 20, 24, 28, 26, 22, 24
Enter STAT mode, and then enter the test scores into
List 1(type in the number followed by EXE).
Press CALC (F2) then 1VAR (F1) to display the
summary statistics. Scroll down the screen using the
arrow key to check those statistics not initially
displayed.
To convert these test scores to marks out of 100, exit back to the list and move the
cursor to the top of List 2 (making sure that List 2 is highlighted). Press the OPTN
key followed by List (F1) twice. Enter the operation ‘ 1 x 2.5 ’ and press EXE. The
scores in List 2 are now /100.
To sort these in ascending or descending order, press EXIT twice to go back to the
original options (GRPH, CALC, TEST etc) followed by F6 to look at the other options.
Choose F1 orF2, then enter 2 EXE (for two lists), then 1 EXE (for the base list)
followed by 2 EXE (for the second list).
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