A manufacturer of automobile products has developed a new wax and is interested in comparing the new wax with their standard wax to determine if the new wax will protect a car for a longer period of time. In order to make a comparison, both waxes are applied to five new cars respectively and exposed to the same environmental conditions. The results of the test are: Standard Wax New Wax ni =5 n2 = 5 X1 =86.80 hours of effectiveness X2 =92.40 hours of effectiveness s1 =2.88 hours %D s2 =2.49 hours Based upon this conclusion, the manufacturer can conclude that:

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A manufacturer of automobile products has developed a new wax and is interested in comparing the new wax with their standard wax to determine
if the new wax will protect a car for a longer period of time. In order to make a comparison, both waxes are applied to five new cars respectively and
exposed to the same environmental conditions. The results of the test are:
Standard Wax
New Wax
ni =5
n2 = 5
X1 =86.80 hours of effectiveness
X2 =92.40 hours of effectiveness
s1 =2.88 hours
%D
s2 =2.49 hours
Based upon this conclusion, the manufacturer can conclude that:
Transcribed Image Text:A manufacturer of automobile products has developed a new wax and is interested in comparing the new wax with their standard wax to determine if the new wax will protect a car for a longer period of time. In order to make a comparison, both waxes are applied to five new cars respectively and exposed to the same environmental conditions. The results of the test are: Standard Wax New Wax ni =5 n2 = 5 X1 =86.80 hours of effectiveness X2 =92.40 hours of effectiveness s1 =2.88 hours %D s2 =2.49 hours Based upon this conclusion, the manufacturer can conclude that:
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