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Answer: Statistical Significance and Practical
Chapter 1, Problem 16BSC(choose chapter or problem)
Problem 16BSC
Statistical Significance and Practical Significance. determine whether the results appear to have statistical significance, and also determine whether the results have practical significance.
IQ Scores Most people have IQ scores between 70 and 130. For $32, you can purchase a computer program from Highiqpro.com that is claimed to increase your IQ score by 10 to 20 points. The program claims to be “the only proven IQ increasing software in the brain training market,” but the author of your text could find no data supporting that claim, so let’s suppose that these results were obtained: In a study of 12 subjects using the program, the average increase in IQ score is 3 IQ points. There is a 25% chance of getting such results if the program has no effect;.
Questions & Answers
QUESTION:
Problem 16BSC
Statistical Significance and Practical Significance. determine whether the results appear to have statistical significance, and also determine whether the results have practical significance.
IQ Scores Most people have IQ scores between 70 and 130. For $32, you can purchase a computer program from Highiqpro.com that is claimed to increase your IQ score by 10 to 20 points. The program claims to be “the only proven IQ increasing software in the brain training market,” but the author of your text could find no data supporting that claim, so let’s suppose that these results were obtained: In a study of 12 subjects using the program, the average increase in IQ score is 3 IQ points. There is a 25% chance of getting such results if the program has no effect;.
ANSWER:
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