Answer : Option BExplaination / Solution:
The mid-points of the class interval is obtained by calculating the mean of the lower and the upper limits of the intervals.The mid-points of class-intervals of various class group are called mid-values. MV= (Lower limit + Upper limit) / 2.
Answer : Option CExplaination / Solution:
Data in the form of grouped frequency distributions are generally represented by frequency diagrams like histogram, frequency polygon, frequency curve and ogive.
Answer : Option CExplaination / Solution:
The Planning commission was set up in march 1951 with Jawaharlal Nehru as its Chairman. It was set up to bring economic stability.
Answer : Option DExplaination / Solution: Quartiles are the measures which divide the data into four equal parts, each portion contains equal number of observations. Thus, there are three quartiles, Q1,Q2and Q3.
Total Question/Mark :
Scored Mark :
Mark for Correct Answer : 1
Mark for Wrong Answer : -0.5
Mark for Left Answer : 0