A company wants to know if consumers prefer their fruit juices to be sugar-free. They have undertaken research at the BITS Pilani campus, where they randomly sampled 1000 girls and 1000 boys in each of the four classes (i.e. a total of 8000 students). If the percentage of students preferring sugar-free fruit juice is those as shown in the table given below, what conclusions can the company reach? [ Critical value of the test statistic from tables :- 22 -6.25 with d.f-3 and degree of confidence 90%] Girls Boys 1 yr. students 60% 55% 2nd yr. Students 48% 53% 3 yr. students 4th yr. students 41% 29% 37% 33%