my question is on part ii , can someone suggest how to do part ii please? thanks.. by the way , i have attached the working for part iAttachment 31110Attachment 31111Attachment 31110[
can someone reply please? thanks
I don't think you can answer this, as the classes start with 15 and end with 49, not 18 and 35 which you require...
possible solution is to draw a cumulative frequency curve and estimate from the graph