Concept explainers
which histogram stronger evidence against the given hypothesis.
Answer to Problem 11E
The histogram given in the exercise 9 provides stronger evidence against the hypothesis, “Music therapy has no effect on the depression score".
Explanation of Solution
Given:
Calculation:
“Music therapy has no effect on the depression score".
The histogram in Exercise 9 has a roughly
Now, it is known that more the number of resampling more is the accuracy. And since the histogram in Exercise 9 uses a larger number of resampling’s and it is roughly a normal distribution, so it suggests that the music therapy decreases depression score. But no such conclusion can be drawn from histogram of exercise 11.
Hence, the histogram given in the exercise 9 provides stronger evidence against the hypothesis, “Music therapy has no effect on the depression score".
Conclusion:
The histogram given in the exercise 9 provides stronger evidence against the hypothesis, “Music therapy has no effect on the depression score".
Chapter 11 Solutions
BIG IDEAS MATH Algebra 2: Common Core Student Edition 2015
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