Which of the Following Correctly Describes the History of the Universe's

question 29

Multiple Choice

Which of the following correctly describes the history of the universe's expansion rate after inflation ended?

• A) always accelerating
• B) slowing down then accelerating
• C) accelerating then slowing down
• D) always slowing down

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Definitions:

Median

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

Third Quartile

The value below which 75% of the data in a data set lie, representing the upper quartile of a distribution.

Mean

The average of a set of numbers, calculated by adding them up and dividing by the count of numbers.

Mean Household Income

The average amount of money earned by households in a particular demographic or area.