Cumulative frequency GCSE questions1. The cumulative frequency graph below gives information about the height distribution of a sample of 100100100 students, correct to the nearest cm.cm.cm. The shortest child is 134cm.134cm.134cm. The tallest child is 185cm.185cm.185cm. Draw a box plot on...
If you have n numbers in a group, the median is the (n + 1)/2 th value. For example, there are 7 numbers in the example above, so replace n by 7 and the median is the (7 + 1)/2 th value = 4th value. The 4th value is 6. When dealing with a cumulative frequency curve, ...