Q2.Degree of Correlation Between + 0.25 and + 0.75 is
Answer : Option BExplaination / Solution:
If value of r is close to 0, correlation is said to be low, while the values of r close to ±1 represent high correlation. Degree of correlation between +0.25 and +0.75 will therefore be moderate.
Q3.In rural areas percentage of poor population is more as compared to urban areas. Its main causes are as follows except
Answer : Option DExplaination / Solution:
The main reason for this is :
Lack of infrastructure, Insufficient access to markets, Lack of non-motorised load-carrying wheeled vehicles, Rural versus Urban Poverty--United States, Opening up of economies to international trade etc
Q8.The 86th Amendment to the Constitution of India deals with free and compulsory education for age groups
Answer : Option DExplaination / Solution:
The Constitution of India was amended to provide free education to all children between the age groups of 6-14.
Q9.When the collected data is grouped with reference to time, we have
Answer : Option AExplaination / Solution:
When data are observed over a period of time the type of classification is known as chronological classification. In chronological classification the collected data are arranged according to the order of time expressed in years, months, weeks, etc., The data is generally classified in ascending order of time.