The interquartile range (IQR) is a statistical measure of the middle values of a sample data set that is separated into four equal parts. This middle-value grouping can provide a median range between ...

2.5 kg, 3.1 kg, 3.4 kg, 3.5 kg, 3.5 kg, 4 kg, 4.1 kg Find the range of the weights of the babies. \(\text{Range} = \text{largest value} - \text{smallest value} = 4.1 - 2.5 = 1.6\) The range of weights ...

Earlier this year, this column explored two ways to describe data dispersion: trimmed means and weighted averages. Those two are siblings in a large family. Others members of the family include the ...

The range of a set of numbers is the largest value, subtract the smallest value. \(range = largest~number - smallest~number\) The mass of 7 babies are as follows: 2.5 kg, 3.1 kg, 3.4 kg, 3.5 kg, 3.5 ...