1.Form an ordinary frequency distribution table from the following CF distribution table and calculate mean, median and mode + median ogive.
class interval frequency
20-30 2
30-40 0
40-50 4
50-60 3
60-70 6
70-80 0
80-90 4
90-100 10
29
1.Form an ordinary frequency distribution table from the following CF distribution table and calculate mean, median and mode + median ogive.
class interval frequency
20-30 2
30-40 0
40-50 4
50-60 3
60-70 6
70-80 0
80-90 4
90-100 10
29