Question

5.Find the missing frequency from the following data:
Marks T0-5 5-10 10-15 15-20 20-25 25-30 30-35
Frequency 10 | 12 | 16 | - | 14 | 10 |
The averaĝe mean is 16.82.

Answer 1

Answer:

missing free guen you was find by your efforts

Answer 2

Answer:

2.5-10=25

7.5-12=90

12.5-16=200

17.5-@=17.5@

22.5-14=315

27.5-10=275

32.5-@=32.5@

905+50@/7=16.82

905+50@=16.82*7

50@=117.74-905

@=99.65

so frst frequent will be

99.65/17.5=

99.65/32.5=

its according to your quest bcoz you gave juat 6 series again 7 freuenties ..