Question 912627: I would appreciate help with this question please.
An experiment was carried out on air quality at two different locations in the country on 20 consecutive days. Nitrogen dioxide readings (NO2) in parts per million (ppm) were taken and the results are as follows:
Location A:
11,13,18,3,15,9,20,15,17,13,17,13,12,24,7,5,17,10,8,14.
Location B:
11,10,20,4,12,8,16,14,13,15,23,11,16,22,6,12,17,7,12,19.
Using a 5% level of significance, show that the air quality at Location A is superior to the air quality at Location B. (Note: High nitrogen dioxide levels indicate poor quality air).
Answer by excellentsolutionas(12)   (Show Source):
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