The Following Nine Values Represent Race Finish Times in Hours $\bar{x}$

question 13

Multiple Choice

The following nine values represent race finish times in hours for a randomly selected group of participants in an extreme 10k race (a 10k race with obstacles) . Which of the following is closest to the mean of the following data set?
1.0, 1.2, 1.2, 1.3, 1.4, 1.5, 1.5, 1.7, 2.1

• A) \( \bar{x} \) is about \( 1.6 \) hours
• B) \( \bar{x} \) is about \( 1.1 \) hours
• C) \( \bar{x} \) is about \( 1.3 \) hours
• D) \( \bar{x} \) is about \( 1.4 \) hours

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Definitions:

Simple Squamous

A single layer of flat cells resembling a tiled floor, often found in areas where rapid diffusion is necessary.

Stratified Squamous

A type of epithelial tissue composed of multiple layers of flat cells, providing protection against abrasion and infection.

Pseudostratified

A type of epithelial tissue where cells appear to be in layers due to differences in cell height, but every cell is in contact with the basement membrane.

Supportive Audience

A group of people who are encouraging and positive towards a speaker or performer.