After Every Score in a Sample Is Multiplied by 3,the

question 16

Multiple Choice

After every score in a sample is multiplied by 3,the mean is calculated and found to be M = 21.What was the mean for the original scores?​

• A)​7
• B)​3
• C)​21
• D)​63

---

Definitions:

Teddy Bears

Stuffed toys designed to resemble a bear, often used as comfort objects by children and collectors alike.

Consumer Price Index

A benchmark for assessing the weighted average expenses of various consumer items and services like food, healthcare, and transportation.

Substitution Bias

A bias in measuring the cost of living or inflation that arises from the substitution of relatively cheaper goods for more expensive ones by consumers.

Basket of Goods

A fixed set of products and services, used to monitor changes in price levels over time to measure inflation.