THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 76

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Independent samples of math scores from students in the U.S.and Europe were collected from normal populations.A sample of 50 students from the U.S.had an average score of 570 while a sample of 50 European students had an average score of 540.The population standard deviations for the average scores of the US and European students are 102 and 115 respectively.
-What is the upper confidence limit of the 95% confidence interval for the difference between the population means?

• A)65.65
• B)51.73
• C)72.61
• D)94.23

---

Definitions:

Corporate Brand

The overall identity of a corporation that reflects its values, reputation, and products, recognized and valued by consumers.

Product Line

A range of related products offered by a single company, designed to serve different customer needs while maintaining a certain standard or characteristic.

Product Line Extensions

The practice of expanding an existing product line by introducing new variants or sizes, aiming to target different customer segments or adapt to changing market conditions.

Brand Awareness

The degree to which customers know about and can identify the special attributes or image associated with a specific brand's goods or services.