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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

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). 80 8888 Frequency 40- IQs of 7th Grade Students 60- 50 46 42 31 20 10 22 (a) How many students were sampled? students 60 70 80 90 100 110 120 130 140 150 16 IQ scores

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