Find the mean of the distribution above

value	0	1	2	3	4
Frequency	1	2	2	1	9

 

Uchennanwachukwu

1 year ago

please l need explanation to this question

solgade

1 year ago

mean = £fx / £f

£fx = 45
£f = 9

mean = 45/9
mean = 3...

more explanation:

to get your £fx, you can draw a table, multiplying each frequency with the respective observation, then add everything together

e.g: (0*1) + (1*2) + (2*2) + (3*1) + (4*9)

to get £f, simply add all the frequency

mercy12345678ush

1 year ago

Y