1. Визначити медіану інтервального ряду:
✅ The verified answer to this question is available below. Our community-reviewed solutions help you understand the material better.
1.
Група варіант (xi)
|
235-245
|
245-255
|
255-265
|
265-275
|
275-285
|
Частота (ni)
|
3
|
5
|
8
|
6
|
3
|
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