
Interquartile range (IQR) (video) | Khan Academy
"The IQR describes the middle 50% of values when ordered from lowest to highest. To find the interquartile range (IQR), first find the median (middle value) of the lower and upper half of the …
Interquartile range review (article) | Khan Academy
Interquartile Range (IQR) Interquartile range is the amount of spread in the middle 50 % of a dataset. In other words, it is the distance between the first quartile (Q 1) and the third quartile …
Mean and standard deviation versus median and IQR
Yes, you have this one data point that's way far away from either the mean or the median depending on how you wanna think about it, but most of the data points seem much closer, …
6th grade math - Khan Academy
Learn sixth grade math—ratios, exponents, long division, negative numbers, geometry, statistics, and more. (aligned with Common Core standards)
One-variable statistics | Khan Academy
Calculating measures of center & variability (optional) Learn Interquartile range (IQR) Interquartile range review Mean absolute deviation (MAD) Mean absolute deviation example
Analyzing a cumulative relative frequency graph - Khan Academy
We investigate a scenario that includes interpreting cumulative relative frequency graphs, using percentiles and quartiles to estimate central tendency and spread within a distribution, and …
Mean, median, and mode review (article) | Khan Academy
It can, however, be explained like this: median (odd set of numbers) = ( (n+1)/2)th term median (even set of numbers) = ( (n/2)th term + ( (n/2)+1)th term)/2 Source: …
خان اکیڈیمی | Free Online Courses, Lessons & Practice
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of …
Interquartile range (IQR) (practice) | Khan Academy
Practice finding the interquartile range (IQR) of a data set.
Summarizing quantitative data | Statistics and probability - Khan …
This unit covers common measures of center like mean and median. We'll also learn to measure spread or variability with standard deviation and interquartile range, and use these ideas to …