Question

The scores obtained by 30 students in a test are given below:
7, 10, 6, 7, 9, 4, 7, 9, 9, 8, 5, 5, 7, 8, 4, 6, 9, 7, 12, 7, 9, 10, 4, 7, 5, 9, 8, 9, 5, 7.
i) Using the concept of ‘less than 0 give’, find the percentage of students
getting above 8 marks.
ii) Find the median and mode of the data.

Answer 1

n+1/2 is the formula to find median the total number are 2 29+1/2 30/2=15 WHILE THERE ARE 29 NUMBERS NOW ÌT IS 15 FROM 29 MARK THE 14 NUMBER THAT IS 4 NOW THE MEDIAN IS 4 the 1st answer is 11percent