Khan Academy
Khan Academy: Median & Range Puzzlers
These conceptual problems really make you think! Getting through this exercise will deepen your understanding of median, range, and data sets in general. Students receive immediate feedback and have the opportunity to try questions...
Khan Academy
Khan Academy: Interquartile Range (Iqr)
Practice finding the interquartile range (IQR) of a data set. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Calculating the Mean
Practice calculating the mean (average) of a data set. The mean gives us a sense of the middle, or center, of the data. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Khan Academy
Khan Academy: Calculating the Median
Practice finding the median of a data set. Like the mean, the median gives us a sense of the middle or center of the data. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Khan Academy
Khan Academy: Missing Value Given the Mean
Practice solving some more challenging problems where you are given the mean and asked to find a missing piece of data from the original data set. Students receive immediate feedback and have the opportunity to try questions repeatedly,...