Question

The data in ascending order is given as follows:

2, 4, − 3, + 2, 11 15

If the median is 7.5, find the value of . Also find the mean of first four

observations.
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Answer 1

Answer:

sorry don't know the answer

Answer 2

Answer:

I wil tell u the formula u can also do very easy

x=a+{fi ui/fi}×h please mark me as brainallist please