Question

median problems for grouped data​

Answer 1

Answer:

To find the Median Alex places the numbers in value order and finds the middle number.

...

   L is the lower class boundary of the group containing the median.

   n is the total number of values.

   B is the cumulative frequency of the groups before the median group.

   G is the frequency of the median group.

   w is the group width.

Answer 2

Answer:

estimating median from grouped data

well the values are in whole seconds so a real time of 60.5 is measured as 61...L is the lower class boundary of the group containing the median n is the total number of values B is the cumulative frequency of the groups before the median group

this is from Google