Weekly expenditure on Ayurvedic medicines of few households in a locality is recorded below. If the mean expenditure…

CBSE Class 10 Maths PYQ · Statistics · Find Freuency · 2 Marks · July 2025 · Standard

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622 Marks · July 2025 · Standard

Weekly expenditure on Ayurvedic medicines of few households in a locality is recorded below. If the mean expenditure for this is ₹211, then find the value of the missing frequency 'y'.

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Correct table
Mean $= 211$
$225 + \frac{(-7)}{13+y} \times 50 =211$
$\Rightarrow y = 12$