1. A random sample consisting of 5 employees of a certain company who drive cars were selected to see if alcohol affects actual driving. Each driver’s reaction time was tested in a laboratory before and after drinking beer. The following are results:
Employee
Before
After
Mokua
0.68
0.73
Njoroge
0.64
0.62
Ethan
0.68
0.66
Marwa
0.82
0.92
Kibet
0.58
0.68
Test whether alcohol affects reaction time (10 Marks)
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