5 6 1) The following distribution of 195 countries shows the diabetes rates 7 Diabetes Frequency 8 Rates a) How many countries have diabetes rates of 18% or more? 0% to 2.99% 19 Yes If you count the percentages from 3% to 5.99% 47 6% to 8.99% 66 b) Can you tell how many countries reported exactly 20%diabetes? (Yes or No 9% to 11.99% 30 No You cant tell because it doesnt just 12% to 14.99% 14 15% to 17.99% 12 c) What is the class width? 18% to 20.99% 1 Feedback 21% to 23.99% 3 24% to 26.99% d) How many classes are there in this frequency distribution? 27% to 29.99% 1 Feedback