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Subjects
Mathematics State Board
Class 9
Statistics
Measures of Central Tendency and Arithmetic Mean
2.
Determine the height
Exercise condition:
2
m.
The arithmetic mean of
10
students in a classroom is
155
cm
. The heights of
9
students are
141
cm
,
143
cm
,
146
cm
,
132
cm
,
161
cm
,
165
cm
,
167
cm
,
172
cm
and
134
cm
. Find the
height
of the
10^{th}
student
.
The
height
of the
10^{th}
student
is
189
188
187
191
.
1
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