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Solution: Statistical Significance and Practical
Chapter 1, Problem 15BSC(choose chapter or problem)
Problem 15BSC
Statistical Significance and Practical Significance. determine whether the results appear to have statistical significance, and also determine whether the results have practical significance.
Guessing Technique When making random guesses for difficult multiple-choice test questions with possible answers of a, b, c, d, and e, we expect to get about 20% of the answers correct. The Ashton Prep Program claims to have developed a better method of guessing. In a test of that program, guesses were made for 100 answers, and 23 were found to be correct. There is a 23% chance of getting such results if the program has no effect.
Questions & Answers
QUESTION:
Problem 15BSC
Statistical Significance and Practical Significance. determine whether the results appear to have statistical significance, and also determine whether the results have practical significance.
Guessing Technique When making random guesses for difficult multiple-choice test questions with possible answers of a, b, c, d, and e, we expect to get about 20% of the answers correct. The Ashton Prep Program claims to have developed a better method of guessing. In a test of that program, guesses were made for 100 answers, and 23 were found to be correct. There is a 23% chance of getting such results if the program has no effect.
ANSWER:
Problem 15BSC
Answer:
Step1 of 3:
We have When making random guesses for difficult multiple-choice test questions with possible answers of a, b, c, d, and e, we expect to get about 20% of the answers correct. The Ashton Prep Program claims to have developed a better method of guessing. In a test of that program, guesses were made for 100 answers, and 23 were found to be correct. There is a 23%