Question

02
90
100 saames were randomly picked up from a local telephone directory and the frequency
amabution of the number of letters in the English alphabet in the surnames was obtained
7-10
han life time ora lamp
amanes. Also find the modal size of the sumames.
Numberofletters
10-13 13-16 16-19
Namberor'sumames
16
4
warmine the median mumber of letters in the sumames. Find the mean number of letters in the
The distribution below gives the weights of 30 students of a class. Find the median
weight of the students
Weight (in kg 40-45 45-50 50-55 55-60 60-65 65-70 70-75
30
40
4
2.
8
3
6.
2
6
3
Number of students
146 GRAPHICAL REPRESENTATION OF CUMULATIVE FREQUENCY DISTRIBUTION
mode oranhical representation helps us in​

Answer 1

Answer:

60

d) 20

1)

The average time taken by the student to finish the race is

a)40 0)47

C) 50

0730

The cumulative frequency able is constructed to determine

a) Mean

b)Mode

c) Median d)All of the above

How many students finishedansjjsjajjwjjajajakakkaakaooaiaiaiaia the face within 1 minute-

a)30 b) 40

c)19

d)29

ivhow many students will finish the

Step-by-step explanation:

snsnsjsjsjsjsjsjsjsjjsjjsjshsbshahhsjsjsjshabababwbejeirorltjnfnsvsqfTyzisowksdvdvsaopa