Question

Compute the first quartile for the following series of observations,
26.30.35,5,6,7,9,20,40,45,12​

Answer 1

Answer:

Arranging the following series in an ascending order

5 6 7 9 12 20 26 30 35 40 45

No. of observation (n)=11

First Quartile =   (n+1)   th term

                              4

                      =(11+1)th term

                            4

                      =12th term

                         4

                      =3rd term

                      =  7        

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