Listed below are measured amounts of caffeine​ (mg per 12oz of​ drink) obtained in one can from each of 14 brands. Find

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Listed below are measured amounts of caffeine​ (mg per 12oz of​
drink) obtained in one can from each of 14 brands. Find the​ range,
variance, and standard deviation for the given sample data. Include
appropriate units in the results.
41
58
42
49
0
46
34
57
43
46
54
38
0
0
The range of the sample data is nothing mg per 12 oz of drink.
​(Round to one decimal place as​ needed.)
The standard deviation of the sample data is mg per 12 oz of
drink. ​(Round to one decimal place as​ needed.)
the variance of the sample data (Round to one decimal place
as​ needed.)