Mathematics, 10.12.2020 08:10 brittnum9044

A voice coach records the ages, in years, of clients taking singing lessons. 12, 13, 13, 14, 14, 16, 18
If an additional 25-year-old is added to the set of clients, which two statements are true?
The interquartile range will decrease.
The mean will remain the same.
The median will remain the same.
The range will increase
The standard deviation will decrease

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A voice coach records the ages, in years, of clients taking singing lessons. 12, 13, 13, 14, 14, 16...