Mathematics, 05.01.2021 05:50 creeper2737
Researchers recruited more than 750 adults and asked them to wear a new design of shoe. Half of the subjects were
randomly assigned to a name-brand shoe, while the other half were assigned to a shoe with no name on the label. On
average, the shoes with the brand name were judged to be more comfortable. Based on this study, is it reasonable to
conclude that including the brand name on the label causes an increase in comfort?
No, association does not imply causation.
No, there was no control group for comparison
No, the adults were not randomly selected from the population of all adults.
Yes, the adults were randomly assigned to the treatments.
Yes, there was a large number of adults involved in the study.
Answers: 2
Mathematics, 21.06.2019 13:10
Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.
Answers: 2
Mathematics, 21.06.2019 14:30
Let f (x) = x e8x. find a formula for the nth derivative of f, where n is any positive integer. use x and n in your answer if needed. f (n)(x) =
Answers: 2
Mathematics, 21.06.2019 17:00
At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%
Answers: 1
Mathematics, 21.06.2019 17:30
The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number
Answers: 1
Researchers recruited more than 750 adults and asked them to wear a new design of shoe. Half of the...
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