Question

for the data 2,9,x+6,2x+3,5,10,15 if mean is 7,then the mode is​

Answer 1

Answer:

as n = 7 which is an odd number

mean = (n+1) th observation

( 2)

= (7+1) th obervation

(2)

= 4th observation

as mean= 7

4th observvation=2x+3=7

x= 2

x+6= 8

therefore 5 is the most occuring observation

mode=5