CBSE Class 11 Economics - Measures of Central Tendency (1)

CBSE Class 11 Economics - Measures of Central Tendency (1). There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations.  Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

MEASURES OF CENTRAL TENDENCY ARITHMETIC MEAN

Very short answer questions 

1. Define a measure of central tendency.

2. Define arithmetic mean.

3. Name the important measures of central tendency.

4. Define weighted mean.

5. Give one interesting property of arithmetic mean

Short answer questions 

1. Calculate arithmetic mean for the following distributions.

4. Neerja obtained the following marks in senior secondary examination of CBSE in 2008. English 80, Hindi 75, Mathematics 93, Physics 86, and Chemistry 85. Find out the weighted mean if weights are 1, 1, 2, 3, and 3 respectively.

NCERT text book questions

Comment whether the following statements are true or false. Give reasons

a) The sum of deviation of items from mean is zero.

b) An average alone is not enough to compare series.

c) Arithmetic mean is a positional value.

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