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Before her students read a textbook chapter about the Grand Canyon, the teacher introduced a set of statements and asked the students whether they thought the statements were true or false. Then they read the chapter to see if they were correct. This teacher was using a (n) :
Median
The middle value in a sorted list of numbers, effectively dividing the distribution into two equal halves.
Mean
In statistics, it refers to the average value in a data set, calculated by summing all the numbers and dividing by the count of these numbers.
IQR
Short for Interquartile Range, it measures the middle 50% of data points in a dataset, offering a glimpse into data spread.
Range
The difference between the highest and lowest values in a set of data.
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