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, 20.06.2019 18:02, googoo4
Hello everybody. can anybody me come up with detailed study plan on what topics to study from algebra 1 & 2, trig, and any other topic nesscery for success as a new beginner in pre-calculus. i dont have much math history but the basics. this will greatly me.
Answers: 2
Mathematics, 21.06.2019 19:00, PastelHibiscus
Which equation represents the function on the graph?
Answers: 1
Mathematics, 21.06.2019 20:30, cogger9348
3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.
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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