Q2 of 141 Page 8

Find the mean of the following data:

x:

19

21

23

25

27

29

31

y:

13

15

16

18

16

15

13

Mean =

= = 25

Calculate the mean for the following distribution:

x :	5	6	7	8	9
y :	4	8	14	11	3

If the mean of the following data is 20.6. Find the value of p.

x:	10	15	p	25	35
y:	3	10	25	7	5

If the mean of the following data is 15, find p.

x :	5	10	15	20	25
y :	6	p	6	10	5

Find the value of p for the following distribution whose mean is 16.6

x :	8	12	15	p	20	25	30
y :	12	16	20	24	16	8	4

Find the mean of the following data:x:19212325272931y:13151618161513