{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

lesson_10.2.2_version_1.6_student

# 2011 the carnegie foundation for the advancement

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: THE CARNEGIE FOUNDATION FOR THE ADVANCEMENT OF TEACHING A PATHWAY THROUGH STATISTICS, VERSION 1.6, STATWAY™  ­ STUDENT HANDOUT STATWAY™ STUDENT HANDOUT | 7 Lesson 10.2.2 Confidence Intervals for a Population Mean TAKE IT HOME 1 At Abraham Lincoln High School an achievement test is used for college placement. Counselors selected a simple random sample of 15 students from the school and scored their tests by hand before sending them in for computer processing. For this sample, ! = 525 and ! = 24. Assuming that the test scores are normally distributed, construct a 99% confidence interval for µ, the population mean score for Abraham Lincoln High School. A Are the criteria for approximate normality satisfied? Explain. B Determine the sample mean, sample standard deviation, and sample size. C Determine the critical value that corresponds to the 99% level of confidence. D Compute the margin of error, E. E Give the 99% confidence interval. F Interpret your confidence interval in context. ©...
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern