You may need to use the appropriate appendix table or technology to answer this question. Given are five observations for two variables, x and y. (Round your answers to two decimal places.) xi 3 12 6 20 14 yi 55 40 55 10 15 (a) Estimate the standard deviation of  ŷ*  when  x = 11.   (b) Develop a 95% confidence interval for the expected value of y when  x = 11.  to  (c) Estimate the standard deviation of an individual value of y when  x = 11.   (d) Develop a 95% prediction interval for y when  x = 11.  to

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