Solve the Problem. -Suppose That the Cost of a Statistics Text Was $55

question 30

Multiple Choice

Solve the problem.
-Suppose that the cost of a statistics text was $55 in 1985 and is $105 in 2000. What is the "Statistics Text Index"
Number, rounded to the nearest tenth, for the 2000 edition with the 1985 price as the reference value?

• A)1.9
• B)19.1
• C)52.4
• D)190.9

---

Definitions:

Successive Approximations

This is a method in behavioral psychology where behaviors are gradually trained by rewarding approximations of the desired behavior.

Positive Reinforcement

A technique in behavior management that reinforces desired behaviors by rewarding them, encouraging their repetition.

Shaping

A technique used in behavior modification that involves successively reinforcing behaviors that approximate the target behavior.

Shielding

A protective measure to block harmful elements or prevent unwarranted access to sensitive information or materials.