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Answer:
1.Range = highest value - lowest value
R=552-225
R=327
2.Re-arrange the set of the data from ascending order
=234,355,470,476,765
Median is the middle value which is
=470
3. Mode is the most occuring frequency which is
=7
4. 1.Range = highest value - lowest value
R=99 - 43
R=56
5.No the range with not change because 76 is neither the highest nor the lowest value
Note: Range = highest value - lowest value