Question

• mean, median, mode, range 1.) in MATH subject test, some children in a Class Score 13,17,12,19,20,13 and 11 of a total of 20. Find the mean, Median,mode and range?​

Answer 1

Answer:

mean = sum of all scores / no of scores

13+17+12+19+20+13+11 / 7

105 / 7

= 15

median

11, 12 , 13 , 13 , 17 , 19 , 20

median = 13

median = (n+1 / 2)

= 7+1 / 2

=8 / 2 = 4th term

median = 13

mode

11 , 12 , 13 , 13, 17 , 19 , 20

mode = 13