The following table shows average marks of students in two classes. Class A Class B No. of students 150 100 Average marks 45 43 Standard deviation of…
2024 · Solved Question with Answer
The following table shows average marks of students in two classes.
| Class A | Class B | |
|---|---|---|
| No. of students | 150 | 100 |
| Average marks | 45 | 43 |
| Standard deviation of marks | 5 | 4 |
Test whether there is any significant difference in average marks of students of two classes at 5% level of significance.