William Moody

Mathematics

21 December, 22:18

0 2 2

1

/

ZO

501 Loo

10

30

20

number of

construct an un

ungeouped frequency

2 3 5 3 2 2 2 101

o lo 4 4 2 2 0 1 1

(15pte

2. The frequency

table below shows the mart

distributifan of la class 3 30 students in an e

80 19

Marks

40

.

И

Frequency

4 3

the mean mark of the distribution is 52.

c) Find the values of x and y

(26) Construct a

distribution

grouped fregreney

with a lower class limit of l and a class in

of 10

ü) Draw a histogram for the distribution. (w) U.

/

Х

5