i) Mean x = kg ii) Ex² = iii) Standard deviation s = kg (to 3 significant figures)
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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Question
16
Transcribed Image Text:The stem and leaf diagram illustrates the weight of a sample of 12 adult female grey seals.
13 9
14 5 7 8
15 4 44 66
16 1 3
17 1
Key: 1417 means 147 kg
Find:
i) Mean x =
kg
ii) 2x2
=
iii) Standard deviation s =
kg (to 3 significant figures)
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