Here Are Summary Statistics for the Time,in Minutes,it Took 21

question 17

Multiple Choice

Here are summary statistics for the time,in minutes,it took 21 students to write a statistics test.
Would you describe this distribution as symmetric or skewed?

• A)Skewed to the right,because the mean is much larger than the median and the upper quartile is farther from the median than the lower quartile.
• B)Symmetric,because the mean and the median are close.
• C)Skewed to the right,because the mean is much larger than the median and the lower quartile is farther from the median than the upper quartile.
• D)Skewed to the left,because the mean is much larger than the median and the lower quartile is farther from the median than the upper quartile.
• E)Skewed to the left,because the mean is much larger than the median and the upper quartile is farther from the median than the lower quartile.

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Definitions:

Placebo

A substance with no therapeutic effect, often used as a control in testing new drugs.

Participants' Expectations

The beliefs or assumptions held by individuals participating in a study or activity about what will happen, which can influence their behavior and the outcomes.

Experiments

A method of scientific investigation involving the manipulation of variables to test a hypothesis and observe the effects, often used to establish cause-and-effect relationships.

Representative

Someone or something that serves as a typical example of a group, class, or quality.