Select all the correct answers. Jonathan conducted a survey among random boys in his grade to learn their shoe sizes. He found that the mean shoe size of the sample was size 10 and the median was size 8. Which statement is true based on the results of Jonathan’s survey? The average shoe size of the boys in his grade is 10. The average shoe size of the boys in his grade is 8. About half of the boys in his grade have a shoe size bigger than size 8. About half of the boys in his grade have a shoe size smaller than size 10.