Each of 7 students reported the number of movies they saw in the past year. Here is what they reported. 19, 7, 19, 7, 18, 7, 4 Find the mean number of movies that the students saw. If necessary, round your answer to the nearest tenth.

So to find mean you have to add all of the numbers together and divide by how many there are. So after they have been added it should come out to be 81. Now that they have been added you must divide them by 7 because that’s how many numbers there are. The final answer should round to 11.6

Year 1: 164.87

Year 2: 169.88

Year 5: 185.86

Step-by-step explanation:

She is earning 3% interest per year that compounds once yearly.