Quiz Chapter 4.docx - Quiz Chapter 4 2.5 2.5 points A dot plot is best applied when A single variable is summarized The mean median and mode are equal

# Quiz Chapter 4.docx - Quiz Chapter 4 2.5 2.5 points A dot...

• Test Prep
• 5

This preview shows page 1 - 3 out of 5 pages.

Quiz Chapter 4 2.5 / 2.5 points A dot plot is best applied when _____________________. A single variable is summarized The mean, median, and mode are equal The general shape of a distribution is symmetric The relationship between two variables is summarized Hide Feedback A dot plot is used to summarize and illustrate the distribution for a single variable. 2.5 / 2.5 points A dot plot can be used to show _________________. The mean, median, and mode The general shape of a distribution for a nominal qualitative variable The distribution for a quantitative variable The interquartile range Hide Feedback A dot plot "piles" or "stacks" observations on top of each other. This allows us to see the shape of the distribution. 2.5 / 2.5 points The test scores for a class of 147 students are computed. What is the location of the test score associated with the third quartile? 111 37 74 75% Hide Feedback After ranking or ordering the data from minimum to maximum, the third quartile is at rank or location (147 + 1)(3/4) = 111.
2.5 / 2.5 points In a distribution, the second quartile corresponds with the __________.

#### You've reached the end of your free preview.

Want to read all 5 pages?

• Summer '14
• AsliKOgunc

### 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

Stuck? We have tutors online 24/7 who can help you get unstuck.
Ask Expert Tutors You can ask You can ask ( soon) You can ask (will expire )
Answers in as fast as 15 minutes