Page 19 - Basic Statistics
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f. Create a stem and leaf diagram by separating each branch into 2 parts for
the set of data on height.
Solution :
a. Range :
Rg = Xmax - Xmin
Rg = ……. - ………. = ……….
Comment : ……………………………………………………………
……………………………………………………………
……………………………………………………………
b.
Table 1.5 Frequency distribution
Classes Frequencies Midpoint Cumulative Relative
(kg) ( fi ) ( xi ) Frequencies Frequencies ( %)
155 - 159 3 157 3
160 - 164 4 162 7
165 - 169 …. …. ….
170 - 174 …. …. ….
175 - 179 …. …. ….
180 - 184
185 – 189
190 – 194
N = 100 ….. -- 100
~~* CHAPTER 1 PRESENTATION OF DATA *~~
