Of the following, which one is an observational study?
a. asking people for their opinion on...
Mathematics, 06.10.2019 19:40 talarleonard0
Of the following, which one is an observational study?
a. asking people for their opinion on the taste of a new cereal
b. checking the effectiveness of a new headache medicine by giving one group the new medicine and one group acetaminophen
c. tracking the temperature in a city over a five year period measuring the average d. strength of a batch of metal by stressing some sample pieces until they deform
Answers: 2
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Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet
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Mathematics, 21.06.2019 19:30
Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?
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Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?
Answers: 1
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