The table below provides information about the marks obtained by a group of students in a test. Marks No. of Students Less than 10 2 Less than 20 5 Less than 30 6 Less than 40 8 Less than 50 10 How many students scored at least 30 marks but less than 40 marks in the test?

8 3 1 2

2

Number of students scored at least 30 marks but less than 40 marks = 8 - 6 = 2