Question

The marks (out of 100) obtained by a group of students in a science test are 85,70
90,85, 39, 48, 56, 95,81 and 75. Find the:
(i) Highest and the lowest marks obtained by the students.
(ii) Range of the marks obtained.
(iii) Mean marks obtained by the group.​

Answer 1

Answer:

i highest 95

lowest 39

ii highest-lowest

95-39=56

iii mean=sum of observation

------------------------------------

total no of observations

85+70 +90+85+ 39+48+ 56+95+81 + 75.

---------------------------------------------------------------

10

=724

--------

10

=72.4

Step-by-step explanation:

i hope this help you .

please mark me as brainlist .