Mathematics Past Questions and Answers

The table shown gives the marks scored by a group of student in a test.
Use the table to answer the question given.

Mark	0	1	2	3	4	5
Frequency	1	2	7	5	4	3

What is the median mark?

Find the sum of the range and the mode of the set of numbers 10, 9, 10, 9, 8, 7, 7, 10, 8, 10, 8, 4, 6, 9, 10, 9, 7, 10, 6, 5

Score (x)	0	1	2	3	4	5	6
Freq (f)	5	7	3	7	11	6	7

Find the mean of the data.

Score (x)	0	1	2	3	4	5	6
Freq (f)	5	7	3	7	11	6	7

Find the variance

Marks	1	2	3	4	5
Frequency	2y - 2	y - 1	3y - 4	3 - y	6 - 2y

The table above is the distribution of data with mean equals to 3. Find the value of y.