Assignment 2

Select 31 students/ co-workers / friends / in your class or work place. Use any sampling method. Determine the following information about them individually.

1. Name

b. Sex

c. Course

d. Student No./ Employee No./ License No. ( choose one only)

e. Address

f. Favorite Color

g. Height

h. Cellphone No.

Quiz 2

Select the best answer to each test item:

1. An entire group of persons or elements that have at least one thing in common is referred to as a

a. Statistic b. Parameter

c. Sample d. population

2. The statistics we use in research to help us test hypotheses are called

a. research statistics b. descriptive statistics

c. inferential statistics d. ordinary statistics

3. A characteristic of a population (such as the population mean) is referred to as a

a. Statistic b. Parameter

c. Sample d. Population

4. A characteristic of a sample (such as the sample standard deviation) is referred to as a

a. Statistic b. Parameter

c. Sample d. population

5. There are 400 students in your school (the population). You wish to draw a sample of 40 students from these 400. You select your sample by taking every tenth student from a list of all the students in the school. This method of sampling is called

a. cluster sampling b. simple random sampling

c. stratified sampling d. systematic sampling