THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 21

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
From a random sample of seven students in a marketing research class that uses group-learning techniques,the mean examination score was found to be 78.25 and the sample standard deviation was 2.87.For an independent random sample of ten students in another marketing research class that does not use group-learning techniques,the sample mean and standard deviation of exam scores were 74.94 and 9.15,respectively.
-Based on the 95% confidence interval for the difference between the two population mean scores,is there evidence that the population means are different? Do not assume equal population variances.

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Definitions:

Lay Witnesses

Individuals who provide testimony in a legal proceeding based on their personal knowledge or experience, not expert opinion.

Co-Worker's Future Prognosis

Predictions or forecasts about the future career or professional development path of a colleague.

Leading Questions

Queries phrased in a way that suggests the answer or contains the information the questioner seeks to confirm.

Complete Answer

A detailed and comprehensive response that fully addresses the question or issue presented.