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Home Exercises Strontium in Drinking Water  
See also: twosample ttest, survey of exercises  
Exercise  Comparing two sample means
Measuring the concentration of strontium in drinking water in two different
areas resulted in the following values:
Is there any significant difference in the strontium concentration between areas 1 and 2? Try to find an answer with an error probability of 1 % and 5 %. Go to the DataLab in order to perform the necessary tests (the strontium data will be loaded automatically).


Home Exercises Strontium in Drinking Water 
Last Update: 20121008