In: Statistics and Probability
Following are closing prices of google stock for a sample pf trading days. Use the 1-Var stats command in the TI-84 plus calculator to compute the sample standard deviation
457.02,482.37,483.19,454.70,497.99,475.10,472.08,444.95,473.36
sample standard deviation using Ti - 84
Press " Stat " key
Then select " EDIT "
Select " L1 " column enter data one by one in L1 column
Then Press " STAT" Select option " CALC "
Select option 1 - Vars Stats and press enter
List = L 1 ( To type L1 press 2ND key then press # 1 key )
Then press "enter"
Freq list : keep empty as it that is press "enter" again
Select " Calculate " and press enter
In Ti - 84 output sample standard deviation is denoted by Sx
From Ti - 84 output
Sample standard deviation = Sx = 16.46689035
Final answer :-
Sample standard deviation = 16.46689035