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StudentID X1 X2 X3 X4 X5 X6 X7 X8 Y 1 6 45 4 2 1 21 4 E 84.34 2 5 48 4 2 2 21 1 E 79.8 3 5 14 4 2 2 21 6 I 87.65 4 6 14 3 1 1 20 4 E 94.68 5 5 10 3 1...
Use data from JSMCase1 Excel file, to test three hypotheses hidden in the conversation above. Use regression analysis to investigate the relationship between age of a student, Internet usage of a student and performance of a student in an assessment of statistical knowledge and skills.
Prince Mean Chaser, Princess Age and Princess I-net have hired you to help them and they have agreed to pay you 1000 dollars if you help honestly settle their dispute with their daddy. They do not want to win for the sake of winning by any means necessary, they want you to discover the honest truth about how reasonable their beliefs are. Which of their beliefs can be supported with 95% confidence? Which of their beliefs can be supported with 99% confidence?
Discuss your findings. Use scatter diagrams, correlation coefficient r and the regression procedure to honestly settle the dispute in the royal family about the relationship between age and performance in business statistics and Internet usage and performance in business statistics.
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