Use the histogram to answer questions #1-5. A group of college graduates were surveyed about their annual Income the first year after college. 1. What percentage of the graduates are making at least $41k a year? 2. What is the most common income range for these college graduates? 3. How many graduates are making $20k or less? 4. What percentage of graduates are making between $21,000 and $80,000 a year? 5. Estimate the mean income for the graduates. Frequency 40- 35- 30- 25 20 15 10 5 0-20 21-40 41-60 61-80 Annual Income In Thousands of Dollars. 81+ Use the histogram to answer questions #6-11. The graph shows the final grades for Mrs. Kelley's Chemistry class. 6. Did the majority of students pass the class? 7. How many students are in Mrs. Kelley's class? 8. What percentage falled the class (6% or less)? 9. What percentage of the class made at least B average (80 or above)? 10. Estimate the median grade for the class. Frequency 8 10 0-69 1. How many students had a final grade between 70 70-79 80-89 90-99 Grades 100+ and 992