Chapter 1.1, Problem 1.1E

a)

To determine

To identify the individual’s description from given data set.

Answer to Problem 1.1E

The individuals are the students of the teacher.

Explanation of Solution

Given:

Name	S	Homeroom	Gr	Calculator#	Test 1
Hsu, Danny	M	Blair	Sr.	B319	81
Iris, Rancine	F	Kingsley	Sr.	B298	92
Ruiz,Ricardo	M	Alfonso	Jr.	B304	87

The Individuals are the objects which described by the set of data. Therefore, the individuals are the students of the teacher. Danny Hsu, Rancine Iris and Ricardo Ruiz.

b)

To determine

To identify the categorical variables from given data set.

Answer to Problem 1.1E

Gender (S) , Homeroom, Grade(Gr) and Calculator# are categorical variables.

Explanation of Solution

Given:

Name	S	Homeroom	Gr	Calculator#	Test 1
Hsu, Danny	M	Blair	Sr.	B319	81
Iris, Rancine	F	Kingsley	Sr.	B298	92
Ruiz,Ricardo	M	Alfonso	Jr.	B304	87

Categorical variable: It describes the quality or characteristics of the data. It does not have numeric or quantitative meaning.
Creating a table in which describes the type of the variables.

Variables	Type of variable
Name	Categorical
S	Categorical
Homeroom	Categorical
Gr	Categorical
Calculator#	Categorical
Test 1	Quantitative