Gretchen made a paper cone to hold a gift for a friend. The paper cone was
1 answer:
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Answer:
Option C is correct.
Step-by-step explanation:
We have been given total 8 data
Data is : 12,15,18,20,23,23,28
Here, n=7
Median is
Median is 20.
When one data is added n=8
The median of even number of data is
Median is
Median is
4th terms is 20
5th terms is 23
Since, median should not be change hence,
Median will be 20.
Therefore, option C is correct.