India meteorological department observe seasonal and annual rainfall every year in different subdivisions of our country. It helps them to compare and analyze the results. The table given below shows sub-division wise seasonal (monsoon) rainfall (mm) in 2018

Free previous-year papers & practice for JEE, NEET and CBSE Boards.

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Mean of Grouped Data Using Direct Method, Modal Class in Grouped Frequency Distribution, Formula for Median of Grouped Data | PadhAiPro

Question

CASE_STUDIESMean of Grouped Data Using Direct MethodModal Class in Grouped Frequency DistributionFormula for Median of Grouped Data3 sub-questions

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

The following distribution gives the daily income of 50 workers of the factory. The lower limit of the modal class is

For the following distribution: The modal class is:

Consider the data: The difference of the upper limit of the median class and the lower limit of the modal class:

The mean of the following distribution is

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