I like it very much, a little, like it or not. Frequency 200 160 32 8 frequency 0.5 0.4 0.08 0.02(2) as shown in the figure:

(3) The vast majority of students who participated in the survey recognized and liked the new mathematics textbook for senior one, because the number of people who liked it very much and together accounted for 90% of the total number of surveys. (As long as you write a similar analysis reason, give points. )