The bar chart shows the distribution of marks in a class test. How many students took the test?

The bar chart shows the distribution of marks in a class test. How many students took the test?

Answer Details

Number of students that took the test = $\sum f$. Where $f$ is the frequencies
= 2 + 5 + 0 + 3 + 4 + 0 + 0 + 0 + 1 + 0 + 2 = 17