According to Scientists,Homo Sapiens First Appeared on Earth About How

question 14

Multiple Choice

According to scientists,Homo sapiens first appeared on Earth about how long ago?

• A)2,500 years
• B)25,000 years
• C)250,000 years
• D)250 million years

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Definitions:

Median

The middle value in a data set when the values are arranged in ascending or descending order.

Squared Deviation

Squared deviation refers to the squared differences between each data point in a dataset and the mean of that dataset.

Mathematical Average

Also known as the mean; a measure of central tendency calculated by adding all the numbers in a data set and dividing by the count of those numbers.

Mode

The value that is most prevalent in a dataset.