Is the distribution skewed or symmetrical

Assignment Help Applied Statistics

Reference no: EM131341969

The following scores were obtained by a college sophomore class on an English exam:

1281_Data 04.jpg

a. Construct a frequency distribution of the ungrouped scores ( ).

b. Construct a frequency distribution of grouped scores having approximately 15 intervals. List both the apparent and real limits of each interval.

c. Construct a histogram of the frequency distribution constructed in part b.

d. Is the distribution skewed or symmetrical? If it is skewed, is it skewed positively or negatively?

e. Construct a stem and leaf diagram with the last digit being a leaf and the first digit a stem. Repeat stem values twice.

f. Which diagram do you like better, the histogram of part c or the stem and leaf diagram of part e? Explain.

Reference no: EM131341969

Questions Cloud

Write a program that clears the screen : Write a program that clears the screen, locates the cursor near the middle of the screen, prompts the user for two integers, adds the integers, and displays their sum. You will need to use the CIrScr, Gotoxy, WriteString, Grit, and ReadInt procedu..

Challenge of using unstructured data approach : What is the drawback or challenge of using unstructured data approach? Why is that challenge a problem for someone who may want to use this technique?

Active directory integrated zones as a zone type : 1. What are several of the largest advantages of using Active Directory integrated zones as a zone type for a larger organization?

Discuss the story of much ado about nothing using the text : Prompts: 1. Discuss the story of Much Ado About Nothing using the text and the film versions in relation to the Plato/Aristotle dichotomy. How does the story fit either or both of these Greek thinkers.

Is the distribution skewed or symmetrical : Construct a histogram of the frequency distribution constructed in part b.- Is the distribution skewed or symmetrical? If it is skewed, is it skewed positively or negatively?

Un-normalized data for business of choice : Create a Word table including un-normalized data for your business of choice. Identify information that is, or could be, regarded as important to the company for which the database is being designed.

What was the process of involving participants : What methods did the researchers use to collect the data; and in what form? What was the process of involving participants? What ethical issues did the study raise and how did the researchers deal with them?

What is the company market value debt–equity ratio : Frusciante, Inc. has 310,000 bonds outstanding. The bonds have a par value of $1,000, a coupon rate of 6.5 percent paid semiannually, and 11 years to maturity. The current YTM on the bonds is 6.1 percent. The company also has 11.5 million shares of s..

How changing the flow rates affect the level of the water : Build a simple model of water dynamics using the systems dynamics modeler. Assume a flow-rate in and a flow-rate out. Compare how changing the flow rates affect the level of the water.

User Account

All Pages