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Statistical Calculations Examples
Example
DATA
95
80
80
75
75
75
50
– x =
x σ
=
n =
Σ
=
x
Σ
2
=
x
sx =
2
=
sx
(95– – x)
×10+50=
sx
x = 60 →
P(t) ?
→R(t) ?
t = –0.5
Key operations
@ P 2 y
b 1 0
95 _
80 _
_
75 , 3 _
50 _
I 0 1 e
I 0 3 e
I 0 0 e
I 0 4 e
I 0 5 e
I 0 2 e
A e
( 95 - I 0 1 )
z I 0 2 k 10
+ 50 e
I 1 1 60 I 1 0
) e
I 1 3 S 0 . 5 ) e
Chapter 4: Statistical Calculations
Stat 0 [SD]
DATA SET=
DATA SET=
DATA SET=
DATA SET=
DATA SET=
˛= 75.71428571
σ ≈ = 12.37179148
n=
Í≈=
Í≈Œ=
sx
Result
0.
1.
2.
3.
4.
5.
7.
530.
41200.
= 13.3630621
178.5714286
64.43210706
0.102012
0.691463
67
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