A list of 15 numbers has a mean of 30, a median of 28 and a stantard deviation of 6. The largest number on the list is 46.86. By accident this number is changed to 46.6.
Find:
The value of the new mean? ( I arrived with an answer of 29.85 for new mean)
What is the value of the median after the change?
What is the value of the standard deviation after the change?