Question

ci. fi
10-15. 30
15-20. 45
20-25. 75
25-30. 35
30-35. 15. find mode​

Answer 1

Answer:

modal class=20-25 fi=75 f0=45 f2=35.

Step-by-step explanation:

mode=l+(fi-f0)/2fi-f0-f2)×h

=20+(75-45/2×75-45-35)×5

=20+(30/150-80)×5

=20+(30/50)×5

=20+3/5×5

=20+3

=23.