Quiz 4a - Measures of Position I

# Quiz 4a - Measures of Position I - the physics test...

This preview shows pages 1–2. Sign up to view the full content.

Introduction to Statistics Quiz #4A Objecitves • You will be able to identify the position of a data value in a data set using the various measures of position such as z - scores, percentiles, deciles, and quartiles. Name___________________________________ Date_______________________ SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 1) For a final examination on a history test, find the z - score for the value 95, when the mean is 62 and the standard deviation is 7. 2) Test scores for a history class had a mean of 79 with a standard deviation of 4.5. Test scores for a physics class had a mean of 69 with a standard deviation of 3.7. Suppose a student gets a 63 on the history test and a 91 on

This preview has intentionally blurred sections. Sign up to view the full version.

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

Unformatted text preview: the physics test. Calculate the z-score for each test. On which test did the student perform better relative to the other students in each class? Solve the problem. 3) A teacher gives a 20-point quiz to 10 students. The scores are listed below. What percentile corresponds to the score of 12? 20 8 10 7 15 16 12 19 14 9 4) Find the 25th percentile for the following data: 41, 43, 56, 57, 62, 71, 74, 78, 84, 92, 97. 1 Answer Key Testname: QUIZ 4A ‐ MEASURES OF POSITION I 1) z = 4.71 2) history z-score = -3.56; physics z-score = 5.95; The student performed better on the physics test. 3) 40 4) 56 2...
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