A Statistics Teacher Taught Introductory Statistics to a Large Lecture

question 47

Multiple Choice

A statistics teacher taught Introductory Statistics to a large lecture class of 200 students. She wanted to estimate the average on the first examination by selecting every eighth student's test score and finding the average of these scores. What type of sampling technique is being employed?

• A) stratified sampling
• B) random sampling
• C) cluster sampling
• D) systematic sampling

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Definitions:

Median Cubital Vein

A superficial vein located in the cubital fossa of the upper arm, commonly used for venipuncture.

Draw Blood

The process of puncturing a vein to obtain a sample of blood for analysis or donation.

Radial Vein

A vein located in the forearm that runs alongside the radius bone, draining blood from the hand back toward the heart.

Hemiazygos Vein

A vein on the left side of the vertebral column that drains blood from the posterior walls of the thorax and abdomen into the superior vena cava.