The US Geological Survey collected atmosphere deposition dat

The U.S. Geological Survey collected atmosphere deposition data in the Rocky Mountains. Part of the sampling process was to determine the concentration of ammonium ions (in percentages). Here are the results from the 52 samples: Find Q_1 Find Q_2 Find Q_3 Find the midquartile Find p_30 Find the 5-number Draw the box- and whiskers display summary

Solution

From Excel

Column1
Mean	4.073077
Standard Error	0.243499
Median	4
Mode	2.9
Standard Deviation	1.755899
Sample Variance	3.083183
Kurtosis	14.45984
Skewness	2.826212
Range	12.6
Minimum	0.7
Maximum	13.3
Sum	211.8
Count	52
Q1	3.075
Q2	4
Q3	4.625
P30	3.23