DASDs Are Good for Files with Low Activity (The Percent

question 4

True/False

DASDs are good for files with low activity (the percent of records accessed) or for users who access records in a random fashion.

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Definitions:

1.5*IQR

A statistical calculation used to identify outliers. It involves multiplying the interquartile range (IQR) by 1.5 and applying this value above the upper quartile and below the lower quartile.

3*IQR

A statistical range calculated as three times the interquartile range (IQR), used to identify outliers by delineating the boundaries beyond which data points are considered exceptional.

Statistically Significant

A determination that the results observed in data are unlikely to have occurred by chance alone, according to a predefined significance level.

Box-and-Whisker Plot

A type of chart that displays the distribution of data based on quartiles, highlighting the median, and extremes.