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Mean of Grouped Data Using Direct Method, Median of Grouped Data | PadhAiPro

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TextMean of Grouped Data Using Direct MethodMedian of Grouped DataCBSE PYQ

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Following data shows the marks obtained by 100 students in a class test : | Marks obtained | 20 | 29 | 28 | 33 | 42 | 38 | 43 | 25 | | Number of students | 6 | 28 | 24 | 15 | 2 | 4 | 1 | 20 | The median will be the average of which two observations ?

MCQ (Single)Median of Grouped Data

If the mean of 2, 9, x+6, 2x+3, 5, 10, 5 is 7, then the value of x is :

MCQ (Single)Mean of Grouped Data Using Direct Method

The mean of the following distribution is

MCQ (Single)Mean of Grouped Data Using Direct Method

Assertion (A): The arithmetic mean of the following given frequency distribution table is 13.81. Reason (R): Mean = ∑fx / ∑f

Assertion-ReasonMean of Grouped Data Using Direct Method

Assertion (A): The algebraic sum of the deviations of a frequency distribution from its mean is 0 Reason (R): Mode of a frequency distribution cannot be determined graphically.

Assertion-ReasonMean of Grouped Data Using Direct Method

If the mean of the following distribution is 2.6, then y = ?

TextMean of Grouped Data Using Direct Method

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