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

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Definitions:

Schaie's Perspective

Refers to the theoretical framework proposed by K.Warner Schaie regarding the sequential stages of cognitive development throughout the adult lifespan.

Cognitive Development

Refers to the process by which individuals acquire and develop the ability to think, reason, and understand over the course of their lives.

Dualistic Thinking

Dualistic thinking is the tendency to divide information, values, and perspectives into polar opposites, often ignoring complexities or middle grounds.

Schemes

Cognitive structures or patterns of behavior through which individuals process and understand their environment.