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MCQ (Single)Mean of Grouped Data Using Direct Method

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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

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

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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

If the mean of the following frequency distribution is 62.8, then find the missing frequency x:

TextMean of Grouped Data Using Direct Method

Overweight and obesity may increase the risk of many health problems, including diabetes, heart disease, and certain cancers. The basic reason behind is the laziness, eating more junk foods and less physical exercise. The school management give instruction to the school to collect the weight data of each student. During medical check of 35 students from Class X- A, there weight was recorded as follows:

CASE_STUDIESMean of Grouped Data Using Direct MethodModal Class in Grouped Frequency DistributionFormula for Median of Grouped Data