d help with part and b and c. I added the data and
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Need help with part and b and c. I added the data and the question

Transcribed Image Text:Position of the
ruler when catchad
attempts on
Cuteniny tne
ruler
1
8.3 cm ± 0.05cm
3
I1.9 cm I 0.09 cm
4
10.2 cm I 0.0 scm
8.4 cm I 0.0 6 cm
6.
9.8cm t 0.0 5cm
IS. Scm 1 0. O 3 cm
7.
8
I1.8cm 10.05 cm
9.
28.5cm I 0.0scm
10
18.7cm ± 0. 04 cm
11
14.9 cm I o.oscm
12
1구.3cm t0.0 구Cm
13
4.5 cm t 0.0scm
14
10.2 cm I 0.07 cm
15
16.5 cm I 0.Ò acm
16
8.2 cm I 0.02cm
17
21.8cm I 0.05cm
18
17.6cm I 0.07cm
19
29.7 cm I 0.09cm
20
23.8cm I 0.05 cm

Transcribed Image Text:a) The average
b) The variance (s^2) S’= (X ave – x1) + (X ave – x2)' +
(Х ave - x3)* +
c) The standard deviation: SD = ( S'/ N)2 where N = 20
Now determine how many of the 20 measurements are between
X ave + SD and X ave -
Хave 3D (x1+x2 + х3 +
+ x20 ) / 20
.....
+ (Х ave - x20)°
....
1/2
SD
How many of the 20 measurements are between X ave + 2 SD
and X ave –2 SD
How many of the 20 measurements are between X ave + 3 SD
and X ave – 3 SD
(SD = STANDARD DEVIATION)
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