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HLTB21H3 (200)
Lecture 5

HLTB21H3 Lecture Notes - Lecture 5: Biostatistics, Standard Deviation, Confidence Interval


Department
Health Studies
Course Code
HLTB21H3
Professor
Caroline Barakat
Lecture
5

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Roliya Jackson
Biostatistics Data Project 5
a) The purpose of the study is to determine if a plant’s height has altered due to a
particular fertilizer.
b) The population of study is plants.
c) The hypothesis of the study is that the plant’s height will be impervious to
fertilizer ‘A’.
H0 : µD= 0 (claim) and H1 : µD 0.
d) Let = .
e) The samples were selected randomly.
f)
The data selected are the heights of 10 plants before and after a particular
fertilizer ‘A’ in cm.
Plant No.
Height Before
Fertilizer 'A'
Height After
Fertilizer 'A'
1
97
100
2
98
102
3
103
104
4
100
104
5
105
107
6
93
95
7
80
88
8
96
100
9
89
95
10
90
96
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