Answer:
(a) 3
(b) 3+5÷2 =4
Explanation:
(a) you look at which number appears the most on the data in this case it's 3 it appeares three times in the data compared to other numbers.
(b) arrange the data in ascending order divide the data equally to find the number in the middle if the are two numbers you simply add them and divide by 2 to get your median.