The relationship between "strength" and "fineness" of cotton fibers was the subject of a study that produced the following data. (Give your answers correct to two decimal places.) x, Strength y,...

Extracted text: The relationship between "strength" and "fineness" of cotton fibers was the subject of a study that produced the following data. (Give your answers correct to two decimal places.) x, Strength y, Fineness 76 69 71 76 83 72 78 74 80 82 4.5 4.5 4.7 4.2 4.1 4.2 4.8 4.9 4.3 4.5 (a) Draw a scatter diagram. (Do this on paper. Your instructor may ask you to turn in this work.) (b) Find the 98% confidence interval for the mean measurement of fineness for fibers with a strength of 79. Lower Limit 4.28 Upper Limit 4.64 (c) Find the 90% prediction interval for an individual measurement of fineness for fibers with a strength of 79. Lower Limit 3.93 Upper Limit 4.90