The data above shows the frequency distribution
of marks scored by a group of students in a class
test.
The data below shows the frequency distribution
of marks scored by a group of students in a class
test.
The data below shows the frequency distribution
of marks scored by a group of students in a class
test.
Find the mean mark.
A group of students measured a certain angle
(to the nearest degree) and obtained the following
results: 75o, 76o, 72o, 73o, 74o, 79o, 72o, 72o, 77o,
72o, 71o, 70o, 78o, 73o. Find the mode
