Question

Based on the information given in the table, identify the kind of series the table represents :

$\begin{array}{cc}\text{Height}& \text{Frequency}\\ 155-157& 10\\ 157-159& 12\\ 159-161& 8\\ 161-163& 6\end{array}$

• A. Inclusive method
• B. Exclusive method
• C. Cannot be determined
• D. Neither Exclusive nor Inclusive

Answer 1

The correct option is B

Exclusive method

From the table, we can observe that the upper limits of a class are the same as the lower limit of the respective successive classes. For example : the class 155-157 has an upper limit of 157 and the lower limit of the successive class 157-159 is also 157. Which means that the upper limits of all the classes are not included in their respective classes but in the successive class. Therefore we can call this table as an example of an exclusive series.