Change the following distribution into 'less than' type distribution and draw its ogive.
Hence find its median and also verify it.
MARKS NUMBER OF STUDENTS
20-30 4
30-40 10
40-50 12
50-60 14
60-70 8
70-80 3
80-90 4
90-100 5

The two expressions below have the same value when rounded to the nearest hundredth. log5 b log9 48 what is the approximate value of log b to the nearest hundredth? 0.93 1.23 9.16 65.53

Find two numbers if their sum is 91 and the ratio is 6: 7?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min