Question
Given are five observations for two variables, and . Use Table 2 of Appendix B. 1...
Given are five observations for two variables, and . Use Table 2 of Appendix B. 1 2 3 4 5 4 7 5 11 14 Round your answers to two decimal places. a. Using the following equation: Sy*=s*SQRT(1/n + (x*-xbar)^2/Sigma(xi-xbar)^2)Estimate the standard deviation of Y when x=4 b. Using the following expression: ^y*+-(t a/2)Sy*Develop a confidence interval for the expected value of y when x=4 c. Using the following equation: S pred=s*sqrt(1+1/n+(x*-xbar)^2/sigma(xi-xbar)2 Estimate the standard deviation of an individual value of y when x=4. d. Using the following expression: ^y*=t a/2(S pred) Develop a 95% prediction interval for y when x=4
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