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Math 10 IB Portfolio Type-1 Mathematical Investigation

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i have noo idea if what to do.the question is: 4) Group the data into intervals and construct a cumulative frequency table from the grouped data.Draw a cumulative frequency curve and use it to find the median and interquartile range of the heights....in case you need the numbers here they are:


177 175 137 155 150 166 132 146 179 140
169 177 141 148 130 176 135 130 157 172
178 143 143 136 132 166 130 151 145 178
131 171 160 140 179 166 145 142 177 176
132 135 164 179 161 145 134 179 139 149
135 142 172 148 159 160 137 130 130 164 .....im really confused of what to do and IF ANYONE could PLZZ send me a sample portfolio TYPE 1 i would more than appreciate it
...my mail is [email protected] reply
im running out of time ....

Edited by pixul1

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