Question

solve and answer it ​

Answer 1

Answer:

the mean of the data

3,21,25,17,(x+3),19,(x-4) is 18

so,

(3+21+25+17+x+3+19+x-4)/7=18

=> 84+2x=18×7

=> 2x=126-84

=> 2x=42

=> x=42/2=21

so, the numbers are

3,21,25,17,24,19,17

arranging in ascending order

3,17,17,19,21,24,25

mode is 17