Compare the two groups of data. which statement is true? a) based on the median, the number of push-ups this month is 5 more than push-ups last month b) based on the median, the number of push-ups this month is 10 more than push-ups last month c) based on the median, the number of push-ups last month was 5 more than push-ups this month d) based on the median, the number of push-ups last month was 10 more than push-ups this month