Which of the following averages cannot be calculated if the distribution has open-end classes at both extremes? MCQ with Answer and Explanation

Explanation:
For an even number of ordered observations, the median is the arithmetic mean of the two central values, ensuring it represents the center of the distribution.

Explanation:
Geometric mean is suitable for averaging ratios and percentage changes because it accounts for compounding.

Explanation:
An ogive plots cumulative frequencies against class boundaries, providing a visual representation of cumulative distribution and enabling estimation of medians and percentiles.