First You do 30.75 x 12 This is because he said every month for a year and a year has 12 months The answer to 30.75 x 12 is 369 Now all you have to do is 550 - 369 = 181.
Hope this helps :D
Arrange in ascending order:-
5 5 6 13 14 17 20 30
Mode = 5
Median = mean of middle numbers = (13+14) / 2 = 13.5
Answer: 50
Substitute 0 for x
Y = 75(0)+50
Y= 50
