Question

What is the value of 4th Decile for the following data. 70 ,75 ,80 ,73 ,75 ,76 ,71 ,73 ,72 *​

Answer 1

Question :- What is the value of 4th Decile for the following data. 70 ,75 ,80 ,73 ,75 ,76 ,71 ,73 ,72 ?

Answer :-

Total terms are 9.

→ Arranging them in ascending order = 70, 71, 72, 73, 73, 75, 75, 76, 80 .

Now, we know that,

• D(k) = value of k(n+1/10)th observation where k = 1,2,3______8.

so,

→ D(4) = value of 4(n +1/10)th observation .

→ D(4) = 4 * {(9 +1)/10]th observation.

→ D(4) = (4 * 1)th observation.

→ D(4) = 4th observation.

→ D(4) = 73 (Ans.)

Learn more :-

find D8 and P85 for the following data 79,82,36,38,51,72,68,70,64,63

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