Mathematics, 17.09.2019 20:30, yselahernandez02
Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? check all that apply. to ensure that all people with high cholesterol have an equal chance of being selected for the study to increase the accuracy of the research results and prevent skewness in the data to produce treatment groups with similar characteristics to control confounding
Answers: 2
Mathematics, 21.06.2019 19:00, myalee1419
In trapezoid abcd, ac is a diagonal and โ abcโ
โ acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.
Answers: 3
Mathematics, 21.06.2019 21:00, kitttimothy55
Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out
Answers: 2
Mathematics, 21.06.2019 23:40, amandaelisantos
In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.
Answers: 2
Researchers randomly divide participants into groups. each group takes a different amount of omega-3...
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