MATH 225N Week 6 Quiz Statistics- Question and Answers.
MATH 225N Week 6 Quiz Statistics- Question and Answers. Week 6 Quiz Attempts Questions to show: All (25) all QUESTION 1 · 1/1 POINTS A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she found the mean score out of 100 points was a x ̄=77, with a margin of error of 10. Construct a confidence interval for the mean score (out of 100 points) on the final exam. That is correct! $$(67, 87) Answer Explanation Correct answers: $left(67, 87right)$(67, 87) A confidence interval is an interval of values, centered on a point estimate, of the form (pointestimate−marginof error,pointestimate+marginof error) Using the given point estimate for the mean, x ̄=77 and margin of error 10, the confidence interval is: (77−10,77+10)(67,87) FEEDBACK Content attribution- Opens a dialog QUESTION 2
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- Subido en
- 29 de septiembre de 2022
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- 2022/2023
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