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Mathematics, 24.04.2020 21:03, tishfaco5000
Four brands of tires (A, B, C, D) are to be compared for tread wear after 24,000 miles of driving. An experiment was executed by installing four tires of each brand in four cars randomly and the following tread wears were measured in millimeters after 24,000 miles driving of each cars. Determine if there is any significant difference between four tire brands.
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Mathematics, 21.06.2019 21:30, alegora78
He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?
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Four brands of tires (A, B, C, D) are to be compared for tread wear after 24,000 miles of driving. A...
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