In a classroom of 20 students, a physics test was conducted. The test

1.	In a classroom of 20 students, a physics test was conducted. The test was of 50 marks and the marks obtained by students are as follows MarksFrequency304255456472481491501 Calculate the mean for the given set of data.
Answer» In a classroom of 20 students, a physics test was conducted. The test was of 50 marks and the marks obtained by students are as follows $\begin{matrix} Marks & Frequency 30 & 4 25 & 5 45 & 6 47 & 2 48 & 1 49 & 1 50 & 1 \end{matrix}$ Calculate the mean for the given set of data.

In a classroom of 20 students, a physics test was conducted. The test was of 50 marks and the marks obtained by students are as follows MarksFrequency304255456472481491501 Calculate the mean for the given set of data.

Answer»

In a classroom of 20 students, a physics test was conducted. The test was of 50 marks and the marks obtained by students are as follows

$\begin{matrix} Marks & Frequency 30 & 4 25 & 5 45 & 6 47 & 2 48 & 1 49 & 1 50 & 1 \end{matrix}$

Calculate the mean for the given set of data.