I the Interquartile Range Is the Difference Between the Values

question 33

Multiple Choice

i. The interquartile range is the difference between the values of the first and third quartile,
Indicating the range of the middle fifty percent of the observations.
ii. An outlier is a data point that always occurs in the first quartile.
iii. A student scored in the 85 percentile on a standardized test. This means that the student scored
Higher than 85% of the rest of the students taking the test.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and, (ii) are correct statements but not (iii).
• C) (i) and, (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements, but not (i).
• E) (i), (ii) and (iii) are all false statements.

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Definitions:

Statistically Significant

A mathematical indication that a result is not likely to have occurred by chance alone, suggesting a real effect or relationship exists in the data.

Chance Variation

Fluctuations in data that result from random differences in samples or experimental conditions.

Means

Methods or ways of achieving something.

Organizational Support

The extent to which an organization values its employees' contributions and cares about their well-being.