The following frequency histogram represents the IQ scores of a random sample of seventh grade students IQs are measured to the nearest whole number The frequency of each class is labeled above each rectangle Use the histogram to answers parts a through g a How many students were sampled students Frequency 80 60 40 20 0 IQs of 7th Grade Students 12 41 57 40 32 10 23 21 60 70 80 90 100 110 120 130 140 150 16 IQ scores