I made 30 assays testing the capacity of 2 chemical products in the removal percentage of dirt. 15 assays were made with the chemical product `0` and 15 with the chemical product 1. I obtained a data frame like :
Chemicals Removals
0 88
0 58
0 37
0 91
0 77
0 56
0 86
0 57
0 51
0 92
0 64
0 34
0 90
0 74
0 22
1 79
1 73
1 23
1 85
1 81
1 3
1 86
1 59
1 19
1 86
1 64
1 10
1 85
1 46
1 16
What kind of analysis are suggested in order to answer what is the chemical product that provides the best removal percentage?
A simple t-test will tell you if the 2 data sets are significantly different. If they are significantly different it should be clear which gives the nest removal. However, this is statistics, and if the %removal is too small then neither may be significant in the real world
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