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  1. 9th
  2. Maths
  3. Statistics
  4. Re-Introduction to Statistics

Re-Introduction to Statistics

Statistics
Maths
Class 9

Overview

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Revise with Concepts

Terms used in Statistics

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Related Questions to study

Define raw data.

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Identify the two types of the statistical data.

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Giving reason, comment on the shape of production possibilities curve based on the following schedule:
Good-X (Units)
Good-Y (Units)

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Define primary and secondary data.

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Secondary data in statistics is the data collected from :

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What are secondary data? Which of the two - the primary or the secondary data - is more reliable and why?

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A consumer buys units of a good at a price of per unit. The price elasticity of demand for the good is . How many units the consumer will buy at a price of per unit? Calculate.

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What are primary data?

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Classify the following data as primary or secondary data.
(1) Number of trains that passes through Thane railway station.
(2) Number of Barbie dolls available in different Barbie stores in Mumbai.
(3) Number of foodies visit the zomato website.
(4) Number of people visit in a museum during summer.
(5) Number of musicians in Mumbai city who knows both guitar and drum.

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Price elasticity of demand is estimate to be . Price of the commodity happens to increase by per cent. Find the change in quantity demanded when initially he was buying units of the commodity.

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