the mark of 11 students out of 100 in an examination are 8591 74 97 93 89 75 78 99 100 95 find the median mark
Answers
Answer:
91 is the Median Mark.
Explanation Given Below
Step-by-step explanation:
Median means first the given numbers should be kept in ascending order.
Here when we placed student marks in Ascending order we get as
74, 75, 78, 85, 89, 91, 93, 95, 97, 99, 100
Now we should sort out the all the numbers and find the middle number.
Like here when we remove 1 number from front and 1 number from last like that in repeat we have remove until in middle we get an number
like remove 74-100, 75-99, 78-97, 85-95, 89-93 and here you can see only 91 is left. Hence it is the Median Mark from above mentioned marks.
Answer:
The marks of 15 students is
41,39,48,52,46,62,54,40,96,52,98,40,42,52,60
Mean =
15
41+39+48+52+46+62+54+40+96+52+98+40+42+52+60
=
15
822
=54.8;
mark as brain least