Answered

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The length of the interval that contains the middle 50% of measurements is known as

A. the 50% percentile
B. the tolerance interval
C. the median
D. the interquartile range

Sagot :

GinnyAnsweridn
To determine what the length of the interval that contains the middle 50% of measurements is called, let's go through the definitions of the given options:

1. The 50% percentile: This term generally refers to the median, which is the value that separates the higher half of a data sample from the lower half.

2. The tolerance interval: This is an interval within which a specified proportion of measurements in a population falls. It’s not specifically oriented towards the middle 50%.

3. The median: The median is just a single value that represents the middle of a data set, not an interval.

4. The interquartile range (IQR): The IQR is the measure of statistical dispersion, or spread, and is the length of the interval containing the middle 50% of measurements. It is calculated as the difference between the 75th percentile (Q3) and the 25th percentile (Q1).

Considering these definitions, the correct answer is:

The interquartile range

So the length of the interval that contains the middle 50% of measurements is known as the interquartile range. Therefore, the answer is:

The interquartile range.
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