For those seventh graders with cell phones, the number of programmed numbers in their phones are:

a. Find the mean number of programmed numbers on a seventh grader€™s cell phone.
b. Find the median number of programmed numbers on a seventh grader€™s cell phone.
c. Explain the difference in values of the mean and median.
d. Remove the most extreme value and answer parts a through c again.
e. Did removing the extreme value have more effect on the mean or the median? Explain why.

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100 37 12 20 53 10 20 50 35 30