Simplify the Following Expression

question 178

Multiple Choice

Simplify the following expression.

• A) 10
• B) 490
• C) 63a²
• D) 10a
• E) 63a

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Definitions:

Median

The middle value in a dataset when it is arranged in ascending or descending order, or the average of the two middle values when the dataset has an even number of observations.

Interquartile Range

A measure of variability, calculated as the difference between the 25th and 75th percentiles of a data set.

Mean

The average value of a data set, calculated by summing all observations and dividing by the number of observations.

Median

The middle value in a dataset when the values are arranged in ascending or descending order, effectively splitting the dataset into two equal halves.