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A Researcher Selects a Sample in This Way

question 1

Multiple Choice

A researcher selects a sample in this way. The researcher paints numbers on 100 ping-pong balls and paints half of the balls blue and half of them green. The researcher puts the blue half onto a large tray and the green half onto another large tray. Then the researcher mixes each tray of balls and trains a dog to bring 10 balls from each tray to the researcher, gently and systematically, one at a time. What type of sample is this?

Definitions:

Discharged Debts

Debts that have been forgiven or eliminated, usually through bankruptcy proceedings, and are no longer legally enforceable.

Repay

To return money that was borrowed, often including interest in the case of loans or credit.

Purchase Money Security Interest

A purchase money security interest is a particular type of security interest that enables creditors to have a claim over assets that were acquired with the funds provided by the creditor.

Negative Equity

Occurs when the value of an asset falls below the outstanding balance on the loan used to purchase that asset.