Texas Instruments TI-36X Pro User Manual - Page 43
Change Anthony's last score from 11 to 15.
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< v " $ $ $ $ < 12 $ 13 $ 10 $ 11 $ " 1 $ .5 $ 1 $ .5 < %u 2 (Selects 1-Var Stats) $ " " < < Anthony has an average (v) of 11.33 (to the nearest hundredth). On the calculator, n represents the total sum of the weights. n = 1 + 0.5 + 1 + 0.5. Gx represents the weighted sum of his scores. (12)(1) + (13)(0.5) + (10)(1) + (11)(0.5) = 34. Change Anthony's last score from 11 to 15. v $ $ $ 15 < %u 2 $ " " < < If the teacher adds 4 points to Test 4, Anthony's average grade is 12. 43
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43
Anthony has an average (
v
) of 11.33 (to the nearest
hundredth).
On the calculator,
n
represents the total sum of the weights.
n
= 1 + 0.5 + 1 + 0.5.
G
x represents the weighted sum of his scores.
(12)(1) + (13)(0.5) + (10)(1) + (11)(0.5) = 34.
Change Anthony’s last score from 11 to 15.
If the teacher adds 4 points to Test 4, Anthony’s average
grade is 12.
<
v
"
$ $ $ $
<
12
$
13
$
10
$
11
$
"
1
$
.5
$
1
$
.5
<
%u
2
(Selects
1-Var Stats
)
$
"
"
<
<
v
$
$
$
15
<
%u
2
$
"
"
< <