Statistics For Economics Class 11 Sandeep Garg Solutions Chapter 9 !!install!! -

Look for terms like "on the basis of" or "take year 2011 as base." Organize Data into Tables: Create columns for Q1cap Q sub 1

( N = 35 ), ( N/2 = 17.5 ) → Median class = 20-30 ( L = 20, cf = 13, f = 12, h = 10 ) Median = ( 20 + \frac17.5 - 1312 \times 10 = 20 + 3.75 = 23.75 ) Look for terms like "on the basis of"

Expressed as percentages (though often shown without the % symbol), they show changes in averages over different time periods. Base Year ( ): The reference year against which changes are measured. Current Year ( ): The year for which the index is being calculated. 2. Essential Formulas Simple Aggregative Method Simple Average of Price Relatives Aggregate Expenditure Method Family Budget Method (Weighted) 3. Step-by-Step Solutions Problem A: Simple Aggregative Method Ans. – Open-ended classes

When is median preferred over mean? Ans. – Open-ended classes, skewed distribution, ordinal data, presence of extreme values. presence of extreme values.