Question C and D

Diabetes Frequency Rates a) How many countries have diabetes rates of 18% or mor 0% to 2.99% 19 6 Yes If you count th 3% to 5.99% 47 6% to 8.99% 66 b) Can you tell how many countries reported exactly 20% 9% to 11.99% 30 No You cant tell be 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% 1 d) How many classes are there in this frequency distribution 27% to 29.99% Feedback