Safari File Edit View History Bookmarks Window Help @ * 35%)D Thu 12:55 PM Q web

Question

Safari File Edit View History Bookmarks Window Help @ * 35%)D Thu 12:55 PM Q webassign.net Sch Install Offic... Software ALEKS Tyl... 6.2b Identif [2) 6.3a Ass... (2) 6.3e Ide... Cengage Cengage Homework. The ULS. A student took two national aptitude tests. The national average and standard deviation were 375 and 100, respectively, for the first test and 60 and 12, respectively, for the second test. The student scored 475 on the first test and 75 on the second test. Use z scores to determine on which exam the student performed better relative to the other test takers. first exam second exam Need Help? Read It Talk to a Tutor 10. + -14 points PODStat54.E·044 My Notes Ask Your Teacher Suppose that your younger sister is applying for entrance to college and has taken the SATs. She scored at the 87th percentile on the verbal section of the test and at the 96th percentile on the math section of the test. Because you have been studying statistics, she asks you for an interpretation of these values. What would you tell her? I would tell her that out of all the people who took the verbal section, % scored higher than she did and % scored at or below her score. For the math section, % of those who took the exam scored at or below her score and % scored higher than she did. Need Help?Read It Talk to a Tutor 11. 1.0914 points ! Previous Answers POD Stat4 4E045. My NotesAk Your Teacher + A sample of concrete specimens of a certain type is selected, and the compressive strength of each specimen is determined. The mean and standard deviation are calculated as x = 3000 and s = 500 and the sample histogram is found to be well approximated by a normal curve. (a)Approximately what percentage of the sample observations are between 2500 and 3500? (Round the answer to the nearest whole number) Approximately (b) Approximately what percentage of sample observations are outside the interval from 2000 to 4000? (Round the answer to the nearest whole number.) Approximately

Explanation / Answer

10.

I would tell her that out of all the people who took the verbal section, 13 % scored higher than she did and 87 % scored at or below her score. For the math section, 96 % of those who took the exam scored at or below her score and 4 % scored higher than she did.

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.