Question

2. Find range and quartile deviation from the following information. 25 24 23 32 40 27 30 25 20 10 15 45. ? ​

Answer 1

Answer:

19.6. 2. Interquartile Range and Quartile Deviation

Arrange the data sets from least to highest.

Find the values of the 3rd quartile (Q3) and the 1st quartile (Q1) values by using the locator's formula: c = k(n)/4. where k is the quartile and n is the number of values (observations). ...

Subtract Q3 and Q1.

Answer 2

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• The Quartile Deviation (QD) is the product of half of the difference between the upper and. lower quartiles. Mathematically we can define as: Quartile Deviation = (Q3 – Q1) / 2. Quartile Deviation defines the absolute measure of dispersion.