Question

Find the medium and mode of the data: 1,3,5,7,3,5,4,7,2,6,7,12,10,11,3,7,8,6,7,7,4,2,11,7,15

Answer 1

mode:frequently repeated no.

mode = 7  as its the most repeated no.

median =middle value
first arrange the theses nos. either in ascending /descending  order.
then find the no. which is in the exact center.
that no. you find will be the median

Answer 2

median is the mid-most value when arranged in ascending/descending order.
the given data when arranged in ascending order becomes:
1,2,2,3,3,3,4,4,5,5,6,6,7,7,7,7,7,7,7,8,10,11,11,12,15
here the no,of terms are 25 (odd)
so, the median will be (n+1)/2  th term
                                 = (25+1)/2
                                 = 26/2 =13
therefore the median is the 13th term i.e., 7
mode is the frequently occured data
here, 7 appeared many (7) times when compared to other terms.
therefore mode is also 7