Q26 of 69 Page 6

Find the mean of the following data:


Now,


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24

Find the mean of the following frequency distribution:

 25

The following table gives the marks scored by 50 students in a class-test:


Find the mean marks scored by a student in the class-test.

 27

Find the mean of the following data:

 28

The following table gives the marks scored by 80 students in a class-test:


Find the mean marks scored by a student in the class-test.