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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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13. Assertion and reasoning: Mean of grouped data

Assertion(A): In a frequency distribution, the mid value of the class is \(9\), and the class width is \(2\). The upper limit of the class is \(8\).

Reason(R): The mean of the grouped frequency distribution can be determined using the formula \(\overline x = \frac{\sum f_ix_i}{f_i}\).

Which of the following is the correct choice for the given statements?

Both A and R are true, and R is the correct explanation of A.
Both A and R are true, and R is not the correct explanation of A.
A is true, but R is false.
A is false, but R is true.
Both A and R are false.

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13. Assertion and reasoning: Mean of grouped data

Exercise condition: