Identify the statistical error
Researcher A finds a significant relationship between increasing stress level and ability to concentrate. Researcher B replicates this study but finds a non-significant relationship. Identify the statistical error that each researcher may have made?
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What is the probability that this system will complete an assigned mission? Given the information that the system completed its assigned mission, what is the probability that it was actually in-control?
A skateboarder have a 96% success to do an ollie in his first try. He is given 3 tries to do an ollie. Each try is statiscally independent. Probability that the skateboarder will do an ollie in his 3 tries.
In a study of drug testing of Olympic athletes at the university of Texas in 2004 an athlete was either and illegal user or not an illegal drug user. Let U denote an athlete who is an illegal grug user and let NU denote an thlete who is not an ill
In the fall semester of 2011, 48.1% of the students at a university were women. Suppose that two students in the University are selected at random. Using the probability tree method, calculate:
Researcher A finds a significant relationship between increasing stress level and ability to concentrate. Researcher B replicates this study but finds a non-significant relationship. Identify the statistical error that each researcher may have mad
We measure the self-esteem scores of a sample of statistics students, reasoning that this course may lower their self-esteem relative to that of the typical college student 1 ? 5 55 and ?X 5 11.352 . We obtain these scores:
In a sample of children given a new flu vaccine, a large number of the children develop a neurological disease. Parents claim the vaccine causes the disease. What is the Same Old Problem when applied to this study?
A second random sample of 30 bowlers at Ethel's Bowling Alley has a mean of 18. Using the criterion of p = .05 and both tails of the sampling distribution, decide if each sample represents the population of average bowlers?
A study of Math 1530 students on the first day of class asked the question " How many pairs of shoes do you own?"
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