There is a group of students who were given a spelling test. The table shows their marks.
TABLE:
Marks: 6, 7, 8, 9, 10
Frequency: 5, 4, 7, 10, 4
What is the mean mark of the group?
A) 7
B) 8
C) 9
D) 8.5
Answer:
D) 8.5
A group of students were given a spelling test
