Data and other behind the scenes calculations 0.5- Leukemias Cancer for 2017 Tis set of 20 means calculated from finding samples of size 20 from the larger set of data -0:4- S is set of 60 means...

can you briefly help me explained what happened in this Theorem? I already know that the distribution is postively skewed and not normal. What else happenend here? I just need to understand it more briefly. Thanks

Extracted text: Data and other behind the scenes calculations 0.5- Leukemias Cancer for 2017 Tis set of 20 means calculated from finding samples of size 20 from the larger set of data -0:4- S is set of 60 means calculated from finding samples of size 60 from the larger set of data Click the circle next to the histogram to turn it on or off. -0.3 histogram ( T,w) Data Set, Bin Width BAR HEIGHTS O BIN ALIGNMENT Count Relative Density Center Left -0.2 histogram ( S,w) Data Set, Bin Width BAR HEIGHTS O BIN ALIGNMENT -0.1- Count Relative Density Center Left Open this folder only if doing a classmate response on the graph. 500 1000 1500 2000 2500 3000 3500