Problem – Texas Instruments TI-30XS User Manual
Page 33
Copyright © 2006 Texas Instruments Incorporated
33
2-Var: Data: (45,30); (55,25). Find: xÅ(45)
³ Problem
For his last four tests, Anthony obtained the following scores.
Tests 2 and 4 were given a weight of 0.5, and tests 1 and 3
were given a weight of 1.
Stat Var
2 <
V 2 <
Clear all
data
v v$$$
Data
<45 $ 55 $"30
$25 $
Stat
%t 2
(Your screen may not
show 3:StatVars if you
did not previously perform
a calculation.)
$ $
<######
<45 E <
Test No.
1
2
3
4
Score
12
13
10
15
Coefficient
1
0.5
1
0.5
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