Mathematics, 14.04.2020 18:37 spowell4657

Which statements are true about the interquartile range? Select all that apply.
Subtract the lowest and highest values to find the interquartile range.
Interquartile ranges are not significantly impacted by outliers.
Lower and upper quartiles are needed to find the interquartile range.
A small interquartile range means the data is spread far away from the median.
The data values should be listed in order before trying to find the interquartile range.

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Answer from: nadia00738

The true statements are:

B. Interquartile ranges are not significantly impacted by outliers

C. Lower and upper quartiles are needed to find the interquartile range

E. The data values should be listed in order before trying to find the interquartile range

Step-by-step explanation:

The interquartile range is the difference between the first and third quartiles

Steps to find the interquartile range:

Put the numbers in orderFind the median Place parentheses around the numbers before and after the medianFind Q1 and Q3 which are the medians of the data before and after the median of all dataSubtract Q1 from Q3 to find the interquartile range

The interquartile range is not sensitive to outliers

Now let us find the true statements

A. Subtract the lowest and highest values to find the interquartile range ⇒ NOT true (because the interquartial range is the difference between the lower and upper quartiles)

B. Interquartile ranges are not significantly impacted by outliers ⇒ True (because it does not depends on the smallest and largest data)

C. Lower and upper quartiles are needed to find the interquartile range ⇒ True (because IQR = Q3 - Q2)

D. A small interquartile range means the data is spread far away from the median ⇒ NOT true (because a small interquartile means data is not spread far away from the median)

E. The data values should be listed in order before trying to find the interquartile range ⇒ True (because we can find the interquartial range by finding the values of the upper and lower quartiles)

Answer from: loraine8401

* Lower and upper quartiles are needed to find the interquartile range.

*The data values should be listed in order before trying to find the interquartile range

Answer from: Quest

The clear answer is clearly 25 is very clear to me

Answer from: Quest

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step-by-step explanation:

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Which statements are true about the interquartile range? Select all that apply.
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