Q. If the mean of the following distribution is 24, find the value of 'a'.
| Marks | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 |
| Number of students | 7 | a | 8 | 10 | 5 |
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Here is the link for the answer similar to your query:
https://www.meritnation.com/ask-answer/question/if-the-mean-of-the-following-frequency-distribution-is-24/math/12085951
Hope this information will clear your doubts about this topic.
If you have any doubts just ask here on the ask and answer forum and our experts will try to help you out as soon as possible.
Regards