Suppose You Used a 9-Point Rating Scale to Compare Men

question 16

Multiple Choice

Suppose you used a 9-point rating scale to compare men who had an annual income over $50 000 (Group 1) with men who had an annual income less than or equal to $50 000 (Group 2) on their liking of a new product. If you studied 40 men in Group 1 and they had a mean of 7 and a standard deviation of 2.5, while the 35 men in Group 2 had a mean of 5 and a standard deviation of 1.4, what is the approximate value of using the t-test?

• A) 8.78
• B) 4.19
• C) 0.97
• D) 0.47

---

Definitions:

Null

A value that signifies the absence of data or a missing or unknown value in a database or programming context.

Is Null

A condition in programming and database management indicating that a variable or field contains no value or data.

Advisor Field

An information field in databases or software applications designated for inputting advisor information, typically used in academic or financial contexts.

Students Table

In database terms, it refers to a structured set of data items organized in rows and columns, specifically for storing information about students.