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?

• A)Snowball
• B)Random
• C)Stratified random
• D)Systematic

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Definitions:

Total Investment

The total amount of money invested in assets, projects, or securities by individuals, companies, or governments.

Expected Rate

The Expected Rate often refers to the anticipated return or yield on an investment, savings, or any financial product over a specified period.

Market Rate

The prevailing price in the market for goods or services, influenced by supply and demand dynamics.

Interest

The charge for borrowing money, typically expressed as an annual percentage rate, or the return earned on investments.