(a) Keiko wants to determine which letter appears the most often in her favorite poem.
Which measure should she use?
Mean
O Median
Mode
(b) In Prof. Washington's class, the 9 students had the following scores on the last midterm:
126, 131, 134, 135, 137, 139, 140, 141, 194.
Which measure should be used to summarize the data?
O Mean
O Median
Mode
(c) The last 10 calls to a customer support line had the following lengths (in minutes):
22, 23, 24, 25, 26, 27, 28, 29, 30, 31.
Which measure should be used to summarize the data?
Mean
Median
Mode