Choose the correct option

1) Statments that do not apply to Quartiles.
a) First arrange the values in ascending or descending order.
b) Observation can be divided into 4 parts.
c) They are represented as Q1 , Q2 and Q3.
d) Q2 is also known as median.
Options : 1) a       2) b and c       3) a, b and c       4) None of these
Ans:- 4) None of these

2) D7 from the given data.
Data – 4, 5, 6, 7, 8, 9, 10, 11, 12
Options : 1) 7       2) 9        3) 10      4) 12
Ans:- 3) 10 

3) Statements related to partition values that are correct.
a) Exact divisions of percentiles into 100 parts gives 99 points
b) Deciles have total 9 parts
c) Quartiles are shown by Q1 , Q2 and Q3 
d) Symbolically, Percentiles and Deciles are shown by P and D
Options : 1) a and c     2) a and b      3) a, b and c       4) a, c and d
Ans:-  4) a, c and d